The construction of copying angle QPR is started below. The next step is to set the width of the compass to the length of AB. How does this step ensure that the new will be congruent to original angle?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25