Need on 3 5 6 dealing with rectangle square and rob bus geometry

Which of the following is the rational exponent expression of 6 root f

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.)

Simply 8x squared + 5(7x squared- x) - 2x =