Katherine recorded the weekly number of hours she worked at her summer job. If the mean of the data is 20 with a standard deviation of 5.7, circle all values that fall within one standard deviation of the mean. {9, 14, 18, 20, 23, 24, 25, 27} PLEASE HELP

a reflection across the x-axis , followed by the by a reflection across the y-axis , and then a scale dilation of 0.5 .

part a: 1.08

part b: 27.59

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0

57.09 minus 7.0435 equals

step-by-step explanation:

just subtrach them both and u get the answer of 50.0465