Mr. Brown bought some books at a book sale, including 4 paperback books. 20% of all the books he bought were paperbacks. How many books did Mr. Brown buy in all?

Which pair of numbers is relatively prime? A. 18 and 45 B. 26 and 91 C. 10 and 33 D. 14 and 63

A triangle has an area of 21 square inches. If the base of the triangle is 6 inches what is the height

A movie theater charges 7.50 per ticket for adults and 5.50 per ticket for children. Which expression represents the total price a group of x adults and y children would pay to see a movie?

Jean Junction is selling jeans at 15% off the regular price. The regular price is $25.00 per pair. What is the discount amount?

Nine less than the product of ten and a number d is eleven

You can afford monthly deposits of $190 into an account that pays 2.7% compounded monthly. How long will it be until you have $5,700 to buy a boat? Type the number of months: (Round to the next-higher month if not exact.)

Evaluate - 2a^2 if a = - 5/2 -25 -12 1/2 25 12 1/2

Jeremy swims 5 3/5 kilometers in a 7 day period. He swims the same distance each day. What distance does he swim?

Translate the sentence into an equation: the sum of a number divided by 7 and 9 equals 3

You set a goal to save at least 1,100 over a six week period. You are trying to decide between two plans.