An object was dropped from a height of 1215 feet off the top of a building onto the ground beneath the building. how long will it take the object to fall using the falling objects formula h = 16tsquared where h is the height and t is the time (in seconds)?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex