The width of a rectangle is two-thirds of the length. The perimeter of the rectangle is 15 centimeters. What is the length, l, of the rectangle? Explain.

What is the surface area of the sphere?

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55

Borat elise said that the expression 2.6 x -1.3 x-4.5 is equivalent to 1.3x -4.5