Determine the center and radius of each circle.1.X²+y²=64 2.(x-12)²+y²=8 3.(x-2)²+(y-2)²=100 4.X²+y²-16x+39=0 5.X²+y²+2x-2y-16=0

Factor the expression using gcf 9b+45

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

Arational number that is equivalent to -20/4?