The scores of a high school entrance exam are approximately normally distributed with a given mean m = 82.4 and standard deviation = 3.3. What percentage of the scores are between 75.8 and 89?

If you take out a loan that cost $130.50 over nine years at an interest rate of 10%, how much was the loan for?

18. An urn contains 3 red balls, 2 green balls and 1 yellow ball. Three balls are selected at random and without replacement from the urn. What is the probability that at least 1 color is not drawn

What is the value of x in the proportion

There are 5 classes with 29 students per class and 5 teachers ordering pizza. One pizza feeds 5 people. Which of the following is a good estimation of how many pizzas are needed? 26 pizzas

Simplify 4 (5x-6) - 4 (2x+1)

Kimberly has five puppies the weight of the puppies are 6 pounds and 14 lb and 6 pounds in foot pounds and seven pounds what is the weight of the puppies

What property is (14-6) + 3=8+3

Carmen sells electronics. She made a 10% commission on every dollar sale that she makes. One month Carmen got a commission check for $2,500. What were her sales in dollars that month?

A group of researchers is designing an experiment to test whether working late at night reduces a person's productivity.

What is the pattern? 2x/3, x/3, x/6, x/12, ...