Mrs. gibbs goes to the store to buy aa and 9v batteries. she needs at least 6 aa batteries. in all, she wants to buy at least 20 batteries. the store has 12 aa batteries and 15 9v batteries in stock. the graph shows the feasible region, where x represents the number of aa batteries and y represents the number of 9v batteries. which ordered pairs meet all the constraints and make sense in the context of the situation? select each correct answer.

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a