Find the sum. Enter your answer in the box below as a fraction, using the slash mark ( / ) for the fraction bar. 3/7+9/7

12/7

hope this helped !!!

i think i am right

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.