Johnny has 10 bills that add up to $320. Some bills are 50 dollar bills and the rest are 20 dollar bills. How many are 50 dollar bills and how many are 20 dollar bills?

Write an equation of the cosine function with amplitude 3 and period 4π.

Evaluate 9 over m+4 when m=3

What is. 000747 in scientific notation

Elaine practices violin 5 days each week the model shows the number of days Elaine practices in 6 week how many weeks and all the healing practice the piano during the six weeks

Two numbers have a sum of 30 and a product of 209. what is the positive difference between them?

The volume of a rectangular prism is 80 cubic centimeters the prism is 20 centimeters long and 2 centimeters wide what is its height?

Round 93.0129 to the nearest thousandth and how show work

Solve for the variable yx7=35

There are 9 more pencils then pens in a container. There are 25 writing utensils in the container in all. How many pens are there in the container?

How do I find the answer to 2g = 12 pt