Answer:
9h + 40
Step-by-step explanation:
Since Jill earns 9 dollars per hour, you multiply the amount of hours she works by the amount she makes per hour (9h), then you add 40 which is a set amount.
y = 9h + 40
Answer: In 4 minutes he will make 5 portraits
11
I guess
k=1
Subtract 8 from both sides
Divide
Simplify
Make up the proportion
P.S. Hello from Russia