At a local store with a "no tax" sale, Robert bought 7 DVDs and 5 CDs for $95.50 before tax. Michael bought 3 DVDs and 4 CDs for $49.75 before tax. If William has $80 to spend, which one of the following purchases could he make?

Cos2a = 2cos^2a-1 for all values of a true or false?

What is the sum for this problem 2 2/3 + 3 2/3 =

Which is bigger 3/4 or 2/3

What are the first three of a sequenced the nth term is - 7n-1

A box shaped like a rectangular prism has a height of 4 feet, a length of 10 feet, and a width of 6 feet. The box is filled with chocolate coins that weigh an average of 0.01 pound per cubic foot.

John asked the players on his hockey team their height in inches and listed the results below. What is the range of the data set? Round to the nearest tenth when necessary 76, 72, 70, 68, 72, 62

The cost of 4 cartons of fresh cream is $7.96. what is the cost of 14 such cartons? $15.99 $21.96 $24.56 $27.86

Allie and Samuel are rock climbing *Allie climbs 5 1/2 meters in the first 1/4 hour. *Samual climbs 14 1/4 meters in the first 3/4 hour. each person's rate stays the same for the first hour they climb.

Equation for translation of 2 units left and 9 units down

Lo is leaving from work today at 5:30 p. m. she has errands to run before she meets her friends for dinner at 8 p. m. if it takes lo of an hour to run each errand, how many errands does she have time to run between work and dinner?