Answer:
A. a is where performance is minimal
Step-by-step explanation:
b is representing peak performance.
Answer:
option 3
Step-by-step explanation:


Answer:
D
Step-by-step explanation:
hope this helps but I'm not sure if it's right sorry if wrong
Answer
$37
Explanation
it costs $4.50 per sandwich so you multiply that by 6 which gets you $27. then you add the delivery fee ($10) to that and you get $37
hope this helps!!