Last month, the school ordered 540 boxes of paper. This month, the school ordered 594 boxes of paper. By what percentage did the number of boxes increase?

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Factor the expression using gcf 9b+45

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