Answer:
$3.90
The cost of making them all is 1.50 subtracted from the profit he made
Answer:
69
Step-by-step explanation:
Answer: b) -0.625
<u>Step-by-step explanation:</u>
The formula for the z-score is:

The reference angle is
pi/3.
At 180 it would be 9pi/3 so going past that is 10pi/3.