Given f(x)=4x and g(x) = -3x-7,evaluate (f-g) (x) at x = -3

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).