What is the value of 13x^-3y^-1 for x=-1 and y=4 hel so stressed need this 13x^-3y^-1 for x=-1 and y=4 a) -13/4 b) -52 c) -4/13 d) -156

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called