On which number line are -9 and it’s opposite shown?

100 points, hi, i’m not sure how to get the equation from the graph and table.

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?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height