The diagram shows a circle with centre O. A, B & C lie on the circumference of this circle. Given that AC is a diameter of the circle and ∠BCA = 3 × ∠BAC, find the size of ∠BAC as highlighted in the diagram.

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)