Help with number 2 please find the missing length

How many diagonals does a 12-sided convex polygon have? What is the general
rule for a convex polygon with n sides?

Find the missing lengths and values of square RSTU

SR
RU

A ball is thrown from an initial height of 7 feet with an initial upward velocity of 37 ft/s. The ball's height h (in feet) after t seconds is given by the following.
h=7+37t-16t²
Find all values of t for which the ball's height is 27 feet.
round your answer(s) to the nearest hundredth.

Please help!!
Imaginary Numbers

In August an online store sold 213 graphing calculators during their back to school sale. Since then, sales have increased at a rate of 5% each month. Which function can be used to determine the monthly calculator sales sine August?

Jim and Dianna want to save for their child's college expenses. They find an annuity that pays 6% annual interest,
compounded monthly. If they invest in this annuity by contributing $300 per month for 10 years, how much money will they
have for the college expenses?
Round your answer to the nearest hundred dollars.
Do NOT round until you have calculated the final answer.

LOOK AT THE PHOTO AND ANSWER PLEASE

The answer to this question

An artist uses 18 colors on an art palette to paint a picture. This is 72% of all the colors on the palette. How many colors are on the artist’s palette?

HELP ME Look at the photo,

The area of a square can be found using the equation A = s², where A is the area and s is the measure of one side of the square.

Match the equation for how to solve for the side length of a square to its description.



Drag the equation into the box to match the description.


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[ A square has an area of 99 in² ][ - ]


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A.) s=/99in



B.) s=(99)^2in



C.) s=99in

Subtract 11x - 4y from the sum of 15x + 15y and - 18x + 15y.

Each of the 8 cats in a pet store was weighed. Here are their weights (in pounds):
6, 16, 15, 10, 9, 9, 7, 11
Find the mean and median weight of these cats.
If necessary, round your answers to to the nearest tenth

Which graph and equation shows a proportional relationship between r and y? y= 11.5% y = 1.5x - 1.5​

A large bakery makes cakes in two shifts: shift A and shift B. Suppose that, on average, cakes from shift A weigh
7.4 kg with a standard deviation of 0.2 kg. For shift B, the mean and standard deviation are 7.0 kg and 0.1 kg,
respectively.
Every day, the bakery takes an SRS of 25 cakes from each shift. They calculate the mean weight for each sample,
then look at the difference (A - B) between the sample means.
What are the mean and standard deviation (in kilograms) of the sampling distribution of CA - TB?

Find an equation equivalent to r = 1 + 2 sin e in rectangular coordinates.

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James ran mile on Monday. On
Tuesday, he ran 3 times as far. Which
equation can be used to determine x,
how far James ran on Tuesday?

A computer is worth $400 when it is new. After each year, it is worth hall what it was the previous year What will its worth be after 4 years? Round you answer to the nearest dollar NOT cents

A. 500$
B. 125$
C. 250$
D. 1000$

h(x) = 3x + 5
g(x) = 4x – 2
Find h(x) – g(x)

$500 at 4% for 3 years
:FIND THE INTEREST EARNED

Centerville Middle School spends $13 for every workbook it buys. At most how many
workbooks can Centerville Middle School buy if it has $26 to spend?

What is the square root of 63 expanded?

A closet is 2 feet deep , 5 feet wide , and 7 feet tall what is the valume of the closet in cubic feet , rounded to the nearest hundredth

Write an expression for "m decreased by 2.”

PLEASE QUICK AND NO DOWNLOADS I BEG YOU NO DOWNLOADS

Magic Video Games, Inc., sells an expensive video games
package. Because the package is so expensive, the company wants to advertise an impressive guarantee
for the life expectancy of its computer control system.
The guarantee policy will refund the full purchase price if the computer fails during the guarantee period.
The research department has done tests that show that the mean life for the computer is 35 months, with standard deviation of 5 months. The computer
life is normally distributed. How long can the guarantee period be if management does not want to refund the purchase price on more than 6.596 of the
Magic Video packages?

What is the slope of the line that passes through the
points (5, 0) and (5, -3)?

Compare the number of years it will take to double money at 5% interest, with simple interest and compounded annually. What is the difference in the number of years? (Round your answer to the nearest tenth, if necessary)​

Hello i need help please

Which value of x would make TV IOS?
R
03
08
x
x + 4
10
X + 10
11
T
X-3
V
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