So he worked 30.5 hours, he just didn't write some of the hours down. To find the hours he didn't write down, you subtract 8+

+

from 30.5, which equals
60 because you Multiply all the numbers and get your answer
Answer:
the first one
Step-by-step explanation:
f(x) = |x+5| -1
Answer:
3
Step-by-step explanation:
1. Write out the equation
2. Subtract 6 from each side
3. Divide by 4 on each side