There are 21 key rings. how many groups of 3 key rings can you make?

A map of the United States has a scale of 1 inches = 300 miles. The distance on the map from Boise, Idaho, to Phoenix, Arizona, is about 2 1/2 inches. What is the actual distance from Boise to Phoenix?

Suppose that 10 golfers enter a tournament and that their respective skill levels are approximately the same. What is the probability that one of the first three golfers that registered for the tournament will win? a. 0.111 b. 0.001 c. 0.300 d. 0.

No real numbers are irrational numbers

Mr. Garcia ran 4miles in 44minutes. If he keeps running at this pace, how long will it take him to run 15miles

katie paid $66 in sales tax ona new TV. The sales tax rate was 5.5%. What was the purchase price of the TV that katie bought to the nearest cent?

Millie went shopping and took £60 to spend. she spent 1/2 of her money on a pair of shoes, she then spent 2/3 of what she had left on a pair of jeans. how much money did she have left at the end of her shopping trip?

Circle two addends to add first. write the sum 7,3,3

TK-119 has a 20% salt solution in it and contains 27,000 gallons. How many gallons of the solution are salt?

What is the square root of 517? And how do I show my work.

A bowl at a party holds 3 gallons (384 cups) of punch. How many 1 1/2 cup glass can be served from a full punch bowl?