6. If a motorcycle changes speed from 20 Km/hr to 80 Km/hr in 10 seconds, what was the rate of acceleration?​

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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)