Answer:
E green team, because their score starts from 75 to 90, whiles the red starts from 80 to 85
I'm not sure why options a. and d. are the same, but you would simply count the number of times x and m appear, while being multiplied together, and multiply the product of xm by that number. in this case, the number is 7, so you should get 7(xm) or 7xm.
4.7 -7.25x+ 8.623x -3.8
= (4.7 -3.8)+ (8.623x -7.25x) (combine like terms)
= 0.9+ 1.373x
The final answer is 1.373x+ 0.9~