Simplify 4z2 + z2 + 6a

Describe all the numbers that when rounded to the nearest thousand are 645,000

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?