Step-by-step explanation:
the answer is

She would make about 17.35 because $850 divided by 49 is 17.3469388 rounded is 17.35
He must work 13 hours. I don't feel like showing my work.
Answer:
Step-by-step explanation:
Use the formula to find the z-score, then go to the table that will give you the probability that the value is less than this z-score.

The probability that the value lies to the left of 1 on a standard bell curve is 84.1345%, or 84%, the third choice down.