Solve for x in the following equation.

x2 + 4x = 21

A.

x = 3; - 7

B.

x = - 1; 21

C.

x = 3; - 8

D.

x = - 3; 7

What is the volume of a cylinder with a radius of 3 and a heigh of 11?

1. Find the value of each expression. Show your work. (a) 1.2^2 (b) 2^3+17-34 (c) 9^2/3^3

21 + (-23) - 15 Select all the statements about the expression that are true. It is equivalent to - 2-15 because adding 21 + (-23) is the same as subtracting 21-23.

Broccoli cost $1.50 how much does 32 ounces cost

How to divide 5.6:16 Check your work with multiplication

The perimeter of a rectangle is 9 inches, and the length of the rectangle is 1.5 inches. Which equation can be used to determine, w, the width of the rectangle? A. 3w - 2 = 9 B. 2w + 3 = 9 C. 3 - 2w = 9 D. 2 + 3w = 9

On the first day of winter 5% of the students at eastside elementary school were absent what is 5% written as a decimal

Six times the sum of a number and twelve is forty. Which equation represents this? 6N+12N=40 6N+12=40 6 (N+12) = 40

Dave wants to determine how long it will take him to run to the park and back home

Solve for the value of z in the indices 5z=80z*-1/3