Math help please and thank you!

Free points + brainliest ! only for correct answer when a vehicle is in motion, it has a. no weight b. no inertia c. potential energy d. kinetic energy

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

On a time limit! willing to give free 25 points plus brainliest for this drivers ed question if answered correctly : ) systematic searching is a skill that takes to master. a. no time at all b. repetitive practice c. innate talent d. extra gadgets