Simplify the expression 6n2-5n2+7n2

A shoe repairman is working with his assistant, who takes 1.5 times as long to repair a pair of shoes. Together they can fix 20 pairs of shoes in an eight-hour day. How long does it take the repairman to fix one pair of shoes by himself?

X∙5∙25∙4:5, if x=813

20. What is the equation of a circle with a center at (-4,-8) and a radius of 1.9?

How to solve 2d:4+6=5+4

Franco is earns a weekly salary of

1/8 of Tony's books are mystery books he has 3 mysetry books how many books does tony have in all

Barry's pet turtle, Turtlelini, escaped from his backyard. Barry found Turtlelini by the creek and wanted to determine how far Turtlelini had walked. On the map, Barry's house is 0.6 inch from the creek. If the scale on the map shows that 1.

A hose can fill a swimming pool in 12 hours. Another hose needs 6 more hours to fill the pool than the two hoses combined. How long would it take the second hose to fill the pool?

Simplify this. 5^5 / 5^8

If a square has a perimeter of 40 yards, what is the length of one side of the square?