A laboratory is testing a product by heating or cooling it at different rates. The table
shows the results of four tests. Drag a number to each empty cell to complete the table.

Cell content

Started at 20° and dropped 4° each minute                      -4

Cell content

Started at −20° and rose 1° each minute                              1

Cell content

Started at 20° and dropped 1° each minute                       -1

Cell content

Started at −20° and rose 4° each minute                             1

Step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10