Which expression means five times the sum of b and two?

A. 5 (b+2)

B. 5b+2

C. (b+2) / 5

D. b / (5+2)

Explain how you can use estimation and mental math to calculate a 20% tip.

Simplify: 6 (p+2) + 3p

The sum of a positive number and a negative number is positive when ...

Th e library fi ne for an overdue DVD is $2 for the fi rst day plus $0.25 for each additional day. How many days overdue is a DVD if the fi ne is $3.25?

A jewellery store sells 240 necklaces in a month. 180 of the necklaces were sold via the shop's website, the rest were sold in a high street shop. Work out the ratio of online sales to shop sales. Give your answer in its simplest form.

Isabel had two pages of math homework and four pages of reading homework. If each page had five problems on it, how many problems did she have to complete total?

The difference between a country's exports and imports is called the country's trade balance. If one country had a trade balance of - $102 billion in 1993, $101 billion in 1997, and - $40 billion in 1996.

Math division problem 66:_=_R2

How many times does 144 go into 540

Solve x^2 + 2x - 15 = 0