What is the recursive rule for this geometric sequence? 500, 100, 20, 4, ...

a1=2500; an=−5an−1

a1=500; an=−5an−1

a1=500; an=1/5an−1

a1=2500; an=1/5an−1

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

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

Find the commission on a $590.00 sale if the commission is 15%.