HELP URGENT …What is the range ? (also if you can, can you help with my other asked questions you’d be a life saver)

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have