What is the sum of an 8th term geometric series if the first term is -11, the last term is 180,224, and the common ratio is -4

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

What is the difference between the equations of a vertical and a horizontal line?