The diagram below represents a ramp and some of its dimensions

Solve the x in the equation x^2+14x+17=-96

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?