What is the simplified form of the expression 3[14÷(4^2-3^]-5?

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?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?