Answer:
10
Step-by-step explanation:
Check the picture below, you can pretty much count the units off the grid.
recall that the area of a triangle is A = (1/2)bh.
Answer:
-2x +4 = 20
Step-by-step explanation:
given

by making x the subject, you need to subtract 4 from 20
thus


and also you need to divide through by -2

