Since Sam can paint 5 rooms in 10 hours, since:

then Sam would have to paint at least 3 rooms to make $150.
The range of hours would be from 6 to 10 hours, since 3 rooms takes 6 hours to paint.
Answer:you get 0.0347582854x ^127
Step-by-step explanation:
8.9-3.3j=-2.2j+2.3
add 3.3j to both sides
8.9=1.1j+2.3
subtract 2.3 from both sides
6.6=1.1j
divide both sides by 1.1
6=j
Answer: B. u+2b=28
A unicycle has one wheel, a bicycle has two wheels, thus the names. So the total number of wheels, given as 28, is u + 2b.