First we need to get x
<RNA = <ENV [v.o.a]
8x+12=5x+57
8x-5x=57-12
3x=45
x=15
<ENV= (5×15+57)
<ENV =132
the answer is D
Answer:
The explanation is on top x=10
So the total number of students is 50, and you want to find 32/50. and that is equal to 64%
Half of the distance from one side, through the middle, to the other side.
circumference: 3.14*radius*2