Help! I’m stuck.. this is due at 7:00pm

Will mark brainliest question in the pic.

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.)

What is the result of adding the system of equations? 2x+y=4 3x-y=6