Did you add the picture of the table? I do not see it :(

99

999

9999

ninety-nine

technically this does not start with nine

**Answer:**

B

**Step-by-step explanation:**

The independent variable is the variable who's variation doesn't depend on the other. Therefore the answer is B because the amount of rooms doesn't depend on the charge, the charge depends of the amount of rooms.

**Answer:**

210

**Step-by-step explanation:**

so first i found out how many shirts each prints in a minute

the first machine produced 15/min

the second produced 20/min

now I added the 2 together and got 35

7,350/35 is 210