(1,-8) is the correct answer
The value is of this equation is -3.75
For #11 you add 54 + 59+ 57+ 54. Then you have 224. Then divide 224 by 4 since there are 4 numbers. Your answer should be 56 inches as the average, or mean.
Remember, when you divide, you divide by the number of all the numbers. I'm trying to make sense but hope this helps!
The mistake that was made is that she should of multiplied the fractions by the exponents first
Answer: Look at the picture ⬇️
