A helicopter was 120 feet above sea level. After descending into a canyon, it was 150 feet below sea level. What was the change in the helicopter’s elevation?

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?