An online video store charges $24 for each DVD. Shipping costs $4 per order. Write a variable expression for the cost of ordering d DVDs. Find the cost of ordering 3 DVDs.

A new printer can print a batch of newsletters twice as fast as an older printer. With both printers working together, the newsletters can be printed in 45 minutes. How long would it take the newer printer working alone?

This is a mathematical sentence written with a greater than, a less than sign, or a NOT equal to sign.

Liam bought 8 quarts of juice at the grocery. How many gallons of juice did he buy?

Stop 1: first, let's pay the bills. 1) Henna's cell phone company has a basic monthly plan of $60 plus $0.12 per minute. At the end of the month she was charged with a total of $123.00. How many minutes has she used this month?

If you have 0.17 and 0.165 whatcha one is bigger

The number of pieces of popcorn in a large movie theatre popcorn bucket is normally distributed, with a mean of 1515 and a standard deviation of 15.

Between the mean and 0.35 deviations from the mean

find the value of k for which the following system of equations has a unique solutions 1. kx + 2y = 5, 3x+y=1

Is 7.0 a rational or a whole

If a = 6 and b=2 then what does a^b equal