Simplify the expression:
1 – 5b + – b + – 8b – 2b

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)

Hello, i need compare km^2 and km. what's difference in this?

Round to the nearest ten thousandth.i dont get this