Is y=7(2/3)^x exponential growth or exponential decay

This needs to be done quick you are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?