(20 + 12) - 8, since the question states n is EIGHT less than the sum of 20 and 12.
The perimeter of the shape is 30 add all the sides
I believe you would solve for X like: 3x-10=2x-10.
Answer: The function M if derived from the integral of the derivative of the function. This is valid by the fundamental theorem of calculus.
M(x)=43x32−7x+C
Step-by-step explanation: not 100 about this but it's what I got


<u> </u><u> </u><u> </u><u>–</u><u>3</u><u> </u><u> </u><u> </u><u>×</u><u> </u><u> </u><u> </u><u>–</u><u>4</u><u> </u><u> </u><u> </u><u> </u><u> </u>
10


<h3>HOPE THIS HELPS :)</h3>