**Answer:**

This doesnt make sense but if you are just looking for a number four more than the difference of 12 and a random number do 15 because 12-1 is 11 and plus 4 is 15.

**Step-by-step explanation:**

**Answer:**

270 millimeters

**Step-by-step explanation:**

**Answer:**

decimal form 9.7

mixed number 9 7/10

**Step-by-step explanation:**

Percentage of 9th graders that said no is approx. 14%

Percentage of opposers that were 9th graders is approx 6%

**Answer:**

x= 5/4 + or - 1/4(square root of 33)

**Step-by-step explanation:**