Answer:
x - 7
Step-by-step explanation:
Because Julian is 7 inches shorter than his sister, and his sister's height is x, if we subtract 7 from x, we get Julian's height, x - 7.
Answer:
Step-by-step explanation:
Um... there is no "Lorenzo's scores."
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:
no
Step-by-step explanation: