A tower 40m high stands at a point A. at point B on the ground which is level with the foot of the tower, the angle of elevation of the top of the tower is 36 degrees. work ou the distance of B from A

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)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

About 29% of the earth’s surface is covered by land. the total surface area of the earth is about 510 million square kilometers. what is the area of the earth’s surface covered by land?