If 750 seats are available for the pep rally, and 570 are filled, what percent of the seats are empty?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?