height or altitude for a parallelogram means the perpendicular distance from one parallel side to the other. Check the picture below.
Mean is average so you sum up all 4 numbers and divide by 4. Answer is 27.6725 or rounded 27.67
Have a nice day. Hope this helps.
You need to take away 4 degrees from 92.
"Take away" means subtraction.
92 - 4
The answer is option C.