Tina spent 1/4 of her money on a new purse. She paid her mom $5 that she had borrowed and she spent $5.75 on hair ribbons. If she had $20.00 left, how much money did she start with?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?