Samantha owes $25.50, and borrows another $20.00. She pays back $15.25 of her debt and then earns $45.00. Later, Samantha pays back $22.50 of her debt.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

What is an alternate exterior angle

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes