There are 15 marbles in a bag. 7 are red, the rest are a variety of colors. You want the chance of getting red to be at least 50%. How many red do you need to add?

Does renee have a enough prizes for each students to win 3 prizes explain?

What is 82/100 as a decimal?

Dr. drazzle collected 70 liters of ocean water to test for antibacterial properties. he split the water into 100 samples. how much water is in each sample.

If there are three different samples of the same size from a set population, is it possible to get three different values for the same statistic?

Whats the probability of selecting a green marble out of a jar with 4 blue, 3 red, and 5 green?

This morning they made a total of 52 bagels. They made two more cinnamon-raisin than strawberry. The number of blueberry is 9 more than the number of cinnamon-raisin. How many of each flavor did they make?

Put in order from greatest to least: 0.6, 71%, 5/6, 56%.

What is the least common multiple of 27, 12, and 36

What is the simplest form of the expression 6x (x - 4) - 16x2 - (9x - 1)

What is another variable for 7x + 14