One angle of a pair of complementary angles is 45. what is the measurement of the other angle?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Based on the spreadsheet below, which of the following is a true statement?

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )