Amy has set aside $150 a month for her cell phone bill. the cost for a monthly cell phone plan is a $65 access fee plus $20 per gigabyte of data used. which expression represents the amount of money amy has left from her monthly budget after she pays her cell phone bill?

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

c

step-by-step explanation: