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?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.