Find the sum of the geometric series with a1 = 243, r = -2/3, and n = 5

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

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)