Answer:
a = 3 b = 6 c= 5
Step-by-step explanation:
3^6/5
when the exponent is a fraction
the denominator is the root
and numerator is the exponent
-31/30
-3/5 - 7/10 + 4/15 = -31/30
correct
3(4)-2(4)+8=12
12-8+8=12
12=12