A bag contains 6 red 4 blue and 8 green marbles how many of each color should be added so that the total number of marbles is 27 so that the probabilities remain unchanged?

Angela wants to know how many families in her neighborhood plan to attend the parade. She puts all 120 of the neighborhood addresses in a hat and draws a random sample of 30 addresses. She then asks those families if they plan to attend the parade.

Factoring quadratics x² + 12x + 32

Solve 9 2/15 - 7 2/5

What is 5.42 times 305 estimate to?

Devaughn is 5 years older than Sydney. The sum of their age is 87. What is Sydney's age?

Is 3 a solution to the equation 5 + (-8) n=29

What is 12/15 written as a percent and decimal

The temperature dropped 17 Fahrenheit in 6 hours. The final temperature was - 3 Fahrenheit. Use integer addition to find the starting temperature.

What would $25 deposited 56 yrs ago be worth today?

What is the value of x in the equation 3x - 1/9y = 18, when y = 27?1