Simplify the expression:

-5a - 6a + - 9a

A section of concrete pipe 30m long has an inside diameter of 1.2m and an outside diameter of 1.8m. what is the volume of concrete in this section of pipe?

At the farmers market two pounds of peaches cost $4.20. How much will five pounds cost show all your work or explain your reasoning

F (x) = x-8 each pair of functions

Which best describes the formula for the perimeter of a rectangle? A. It's twice the length plus the width. B. P = 2l + 2w is the perimeter of a shape. C. Double the length and width to get the perimeter. D.

How many ounces of meat are used to make a 1/4-In hamburger?

What is the least common multiple of 8 and 14

Multiply the sum of 1 and 2 by 3 and write your answer in the tens place

What is the formula for vertex form of qudratic function?

Solve for m. 12m-15=3 (2m+3)

What is the average rate of change from x=o to x=4