The length of a rectangle is twice the width. if the perimeter of the rectangle is 60 units, find the area of the rectangle.

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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