Solve -17 = x/-3 for x. fasttt

x =

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?