If the value of y-7 is 18, what is the value of y?

Which graph represents the following piecewise defined function?

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 slope simplify your answer and write it as a proper fraction, improper fraction, or integer