An astronaut on Mars is working to install a radio antenna on top of a 300-meter-high cliff. Suppose that the astronaut drops her wrench off the cliff. The height of the wrench above the ground, in meters, can be modeled by the function h(t) = 300 −1.86t^2 , where t is measured in seconds. How long does it take to hit the ground? HELP M E PLZ

What is this equation in point-slope form?

Which expression shows the sum of the polynomials with like terms grouped together

Which of these would have been most likely to have been a carpetbagger during the reconstruction era? a) a new york businessman who relocated to mississippi b) a former slave who was able to buy land in birmingham c) a carolina-born politician who supported the democratic d) a former confederate officer who owned a farm in memphis eliminate