Order the group of quadratic functions from widest to narrowest graph.
y = -4x2, y = -2x2, y = -5x2

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

Given the median qr and trapezoid mnpo what is the value of x?

Determine the intercepts of the line that passes through the following points. (15,-3)(15,−3) (20,-5)(20,−5) (25,-7)(25,−7)