9+-3 means 9 plus 3 less
basically it is 9-3=6
Answer:
Matt used 65 carpet tiles.
Step-by-step explanation:
The mean is all of them added together divided by the number, so multiple the mean by the number of sides, 3, and that's the perimeter. 18 x 3 = 54
Answer:
(x+2)(x+6)
Step-by-step explanation:
x2 + 8x +12
x 2
x 6
It depends on your fuel economy, how much fuel the car burns per 100 miles etc.
