Evaluate 15r+6 (60-r) for r = 20,30 and 40. what conclusion can you draw

Matt Bonner has 8 dimes, 9 pennies, and 4 quarters in his pocket. If each coin is equally likely to be pulled out of his pocket in order without replacement, what is the probability that he will pull out the 2 quarters in a row and then 2 pennies?

4.1 as a mixed number

Which property is illustrated by the equation?

What is the absolute deviation and range of the data set 134 139 145 152 174

After working 60 hours at his job, Tyler earned a total of $1500. How much does Tyler earn per hour?

Venn diagrams cover another diagram

Find a parametric representation of the solution set of the linear equation. (Enter your answer as a comma-separated list of equations. Use s and t as your parameters.) x + y + z = 8

Two weeks and 5 weeks when will they meet again

Homer and bart plan to buy one computer for 499.00 strictly for gaming purposes. Games cost 49.99 each.

Simplify 5/4 x - 8y - 1/4x + 7y + 3