The answer to this would be 5x+6>=21. Just wanted points :P
Answer:
The area of whole square is 396 sq mm
the area of triangle = 99
396 - 99 = 297 sq mm
Answer - 297
(2,-1) The intersecting point is the point where the two lines meet.
Answer= $185.00
Commission=15(10)+2(17.50)
Commission=150+35.00
Commission=$185.00