Answer:

Step-by-step explanation:
The midline is set on
, when the sine function is equal to zero, eliminating the effect from amplitude. The midline is a horizontal line. Hence, the equation of the midline is:

Answer:
The answer is B
Step-by-step explanation:
You add up all the numbers which should be 600 and divide by the total amount numbers used.
600/15=40.
Answer:

<h3><u>For the 1st part</u></h3>




<h3><u>For the 2nd part</u></h3>
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7 34/24. Hope this helps!
I think it is 15, just by looking at it