Which action is one of the main functions of the circulatory system? i need this asap! : ) 1. delivering substances to the cells of the body 2. producing substances in the cells of the body 3. breaking down substances in the cells of the body

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.)

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?