Convert the following equation into standard form.
3x
y = -x +
-
+4
[?]x +[ ]y = []

The parabola opens: y=√x-4 (principal square root) up down right left

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

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)