Jeff uses the expression 2 (3b + 1) to determine how many books (b) he needs to order for his store. If b = 12, how many books should Jeff order?

Lashonda bought 4 CDs that were each the same price. Including sales tax, she paid a total of $47.20. Each CD had a tax of $1.10. What was the price of each CD before tax?

A group of 3 seniors, 3 adults, and 3 children bought tickets to the aquarium. Fill in the boxes to model the total amount spent with an expression.

When x is 2, y is 4, p is 0.5, and m is 2. If x varies directly with the product of p and m and inversely with y, which equation models the situation? xpmy=8 xy/pm=8 xpm/y=0.5 x/pmy=0.5

Assume that you select 4 coins at random from 8 coins: 6 dimes and 2 quarters. what is the probability that all of the coins selected are dimes? enter your answer as a fraction

How many beats can a honeybee beat its wing in one hour

25 x 10 to the power of 6 in standard form

Convert 2.50 / gram into dimes/gram

Write an expression that shows how you can multiply 9 x 475 using expanded form and the distributive property

Sabrina rode on a Ferris wheel at the state fair. The radius of the Ferris wheel was 140 feet. What is the approximate distance Sabrina traveled in one revolution of the Ferris wheel? (Use 3.14 for.)

What multiplier do I need to increase by 20%