How do you translate "Nine more than twice a number, w." as a variable expression.​

Ten times the square of a non-zero number is eqaul to ninety times the number

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)

How do u write a function for the reflection across the y axis