Simplify. −7i⋅(−8i) −56 −56i 56i 56

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).