Agroundhog crawls out from a hole 3 feet below the surface of the ground. joan wrote −3 feet to represent the depth from which the groundhog crawls out. what does 0 represent in this situation?

Which of the following expressions is equal to 2x^2+8

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.