What is pure substance?

Amarathon runner jogging at a constant speed for 45 minutes is it proportional to time or not

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 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps