The triangle shown below is reflected across the y-axis.
What is the result of this reflection?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Explain why the factor 1.5 is broke. into two numbers in the model.

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.