The mean of nine test scores is 61%. If a score of 71 is added to the group of scores, what is the new mean?

72 miles in one day is 72 miles per how many hours

The perimeter of a triangle is 27 inches. only 2 sides are known 12.3 and 5.4. What is the third side and what is the equation

1. Your long distance telephone provider offers two plans. Plan A has a monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute.

What percent of the total budget is the dog food (to the nearest tenth) ? 4.9 5.0 5.1 5.2

In 1 week Ed works 4 days, 3 hours a day, for $12 per hour, and 2 days, 6 hours a day, for $15 per hour. Simplify the expression 12 ( 43) + 15 ( 26) to find Ed's weekly earnings.

If a and b are two rational numbers, which expressions are equivalent to a-b? Mark all that apply. A. a-|-b|, if b>0. B. a+|-b|, if b>0. C. a + (-b), if b>0. D. a-|-b|, if b<0. E. a+|-b|, if b<0. F. a + (-b), if b<0

Mr. Henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts a n equal number of each in the 2 machines. how many bouncy balls does he put in each machine

What is the equivalent ration for 12/30

Morgan mowed 12 lawns in 2 hours. What was her rate of mowing in lawns per hour? Express your answer in simplest form.

If y=-4 when x=10 find y when x=5