3^2(sqrt(3/27)^-2) = 3^2((3/27)^0.5)^-2
=》3^2(3/27)^-1 = 3^2(27/3) = 3x27 = 81
Answer:
he earns $7 per hour
Step-by-step explanation:
x= -2
<u>c = 5 </u>
-3 - 7 = -10
-2c = -10
-10/ -2 = c
c = 5
