Answer:
31
Step-by-step explanation:
3^2=9
2^2=4
-4^2= -16
2^3=8
9+6*4-16/8=31
3² + 6 × 2² - 4² ÷ 2³ = 31.
7x + 14 = 8.4x
14 = 1.4x
x = 10 hours
Each works 10 hours. Their total is 84 dollars each.
96.55%=0.9655
Answer: 99