The sale price of every item in a store is 65% of its usual price. The usual price of a tennis racket is $70, what is its sale price?

Ten times the square of a non-zero number is eqaul to ninety times the number

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet