How to find the axis of symmetry -2(x - 4)^2 +2

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

Can someone me find the original price? the discount is 5% and the sale price is $68.40

How can i find quotient 6/7 divided by 1/2