A jar contains 20 yellow marbles, 55 green marbles, and 25 purple marbles. You pick one marble from the jar at random. What is the theoretical probability of picking a purple marble?

Una diseñadora de modas que confecciona trajes de noche, tarda 3 horas en cortar y 2 horas en coser cada vestido de fiesta. Para confeccionar un terno tarde 3 horas en cortar y 3 en coser.

Amos has 93 cents two of his coins are quarters what is the largest number of nickels he might have

We want to find the zeros of this polynomial: p (x) = 3x^3 - 3x^2 - 18x

What is the first step for completing the square of x^2-12=16x

Evaluate h2g for h = 4 and g = 32.

Alfred is practicing typing. The first time he tested himself, he could type 27 words per minute. After practicing for a week, he could type 29 words per minute. After two weeks he could type 31 words per minute.

X+y=7 x-y=3 2x-3y=15 3x-2y=10

The area of a rectangular wall of a barn is 64 square feet. It's length is 12 feet longer than the width. Find the length and width of the wall of the barn

What is the best estimate for the percent equivalent of 7/15

Bob needs 2 cup oforange juice concrete with 3.5 cups of water to make orang juice bob has 6 cups of concrete how much orange can he make?