Quick I'm in class what 7a plus 3a!

The diagram shows a track composed of a rectangle with a semicircle on each end the area of the rectangle is 13500 square meters what is the perimeter of the track? Use 3.14 for pi

Martin was going to the market to buy apples. The price for apples is $3.50 times the number of apples bought plus one-dollar tax. Write a polynomial function A that represents the price of apples in terms of n. If Martin bought 3^3 amount of apples.

Shaquille, Lyle, and Amanda collect stamps. Shaquille has one-half the number of stamps that Lyle has. Amanda has two-thirds as many stamps as Lyle. Together they have 364 stamps. How many stamps does Amanda own? 84 98 112 168

Yolanda spends 82⁄3 hours per month playing soccer. Approximately how many hours does she play soccer in a year? (There are twelve months in a year.)

How long did it take the pizza to reach 0 degrees?

Joel finished the race in 8.04 seconds. Ray finished the race in 8.40 seconds. Which statement is true? Ray had the faster time. Joel and Ray finished the race in the same amount of time. Joel had the faster time.

Hello umm stuff is cool i also like ice cream and chips.

Find the mode for the given data set. Stem Leaves 1 6,8 2 3,5,6 3 4,7,7 4 0,1,6

Anna tossed 3 coins in the air. What is the probability that exactly 2 of the coins show heads? Look back at all of the possible outcomes from #2 and use that to find your probability. Write the probability as a fraction. Simplify, if needed.

A gold and diamond bracelet sells for $1800. Find the sales tax and total price if the sales tax rate is 3.5%.