What is the equation of a circle with center (–7, –2) and radius 4? ( + 7)2 + ( + 2)2 = 4 ( + 7)2 + ( + 2)2 = 16 ( – 7)2 + ( – 2)2 = 16 ( – 7)2 + ( – 2)2 = 4

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.