Solve the system of equations 2x 3y = 40 and –2x 2y = 20. a. x = –6, y = 4 b. x = 10, y = 20 c. x = –10, y = 20 d. x = 2, y = 12

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)

State one method by which you can recognize a perfect square trinomial.

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?