Answer: $20, 176
Step-by-step explanation: All you have to do is multiply how much she gets paid per hour by the number of hours that she works so it would just be 9.70*40 which equals 388. Then you have to multiply that answer by the number of weeks in a year so it would be 388*52 and your final answer would be $20, 176.
Answer:
He did 9 times 10 instead of 9 times 100.
Answer: the final ballance is 26445.35
The total compound interest is $14,455.35.

the -7 is found there twice, so it has a multiplicity of 2
the +7 is there thrice, so it has multiplicity of 3