Octagon abcdefgh and its dilation, octagon a’b’c’d’e’f’g’h’, are shown on the coordinate plane below.

if the center of dilation is at the origin, by what scale factor was octagon abcdefgh dilated?

1/4
1/2
2
4

What is the value of r of the geometric series?

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

How to solve a simultaneous equation involved with fractions?