Of 15 people, 9 wore sandshoes, 8 wore shorts and 3 wore neither sandshoes nor shorts 1. How many people wore both sandshoes and shorts?
2. How many people wore shorts but not sandshoes?

Jessica is a custodian at oracle arena. she waxes 20 m2 of the floor in 3/5 of an hour. jessica waxes the floor at a constant rate. at this rate how many sqaures meters can she wax per hour

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)

The tile along the edge of a triangular community pool needs to be replaced? ?