If x+y+z=0 Prove that (x^2+y^2+z^2) = 4 (xy+xz+yz) ^2

Dividing by 5 is the same as

1. Write an algebraic expression to represent "five plus quotient of r and 14" A. 5+14r B. 5+14 C. 5 + r/14 D. 5 - r/14 2. Write an equation to represent the statement " four less than the product of three and x is twenty-three A. 3x - 4 = 23 B.

The population in the United States is approximately 3.2 * 10^8. A total of 1.4 * 10^6 people immigrated to the United States. Determine the population of the United States that did not immigrate. Show your work.

In a book of stickers the ratio of large stickers to small stickers is 7 to 5. based on this ratio, how many large stickers are in the book if there are a total of 96 stickers

Kelly's baby brother weighs 7.71 pounds her newborn kitten weighs 0.24 lb how much more does Kelly's baby brother way than her kitten

One revolution of a 40 cm diameter ball compared to a 20 centimeter diameter ball is: A. 2 times as great. B. 4 times as great. C. The same D. 1/2 times as great.

Complete the equation of the line through (2,-2) and (4,1). Use exact numbers.

The distance between two towns is 15 miles. There are 20 distance markers evenly spread throughout the road between the towns. Jessie drove 45 of the distance when she was forced to stop because she ran out of gas.

A parking space shaped like a parallelogram has a base of 18 feet and a height is 7 feet. A car parked in the space is 15 feet long and 5 feet wide. How much of the parking space is not covered by the car?

What is the addition of x - 7=12