Two students from a group of 8 boys and 12 girls are sent to represent the group in a school parade. If two students are chosen at random, what is the probability that both students are girls?

True or False? The first distribution shown below has a smaller standard deviation than does the second distribution. A) 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22. B) 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122

Using 12 as a denominator, what fraction completes the following equation: 1 - 3/4 = ? a. 4/12 c. 2/12 b. 1/12 d. 3/12

Find the product - mnp (3m-5n+7p)

Which decimal is equivalent to the mix number, 3 66/100? Show in numbers how you solved the problem.

Evaluate a/b for a=-6 and b=-2. Answers are: 12 4/3 3 -12

What's (-1,4), y=3x+5?

How much longer would it take a giant tortoise than a cooter turtle to travel 10 meters on land?

1/8 times 1/6 in simplest form

267 to the nearest 100

4.5 (8-x) + 36=102-2.5 (3x+24) what's x?