Answer:
The measurement of angel c is B.
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:
0.9375
Step-by-step explanation:
Do the long division and you'll find the answer.
-1/5, -4 I’m pretty sure and decimal form is -0.2, -4