Answer:
A: 9 is subtracted from the product of 5 and a number.
Step-by-step explanation:
We know this because when a varible is place directly next to a number then the number is being multiplied by an unknow number. So in this equation five is being multiplied by an unknown number and nine is being subtracted from that.
He is overestimating because 2.25 * 6 = 13.5, which is less than 11.5
Answer:

Step-by-step explanation:

Remember to use your exponent rules
Answer:
answer D. $1.96
Step-by-step explanation: