Leyla drops a penny from a height of 150m. how long will it take for the penny to hit the ground? round to the nearest tenth of a second.

Which of these triangle pairs can be mapped to each other using two reflections?

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.