Answer:
d
Step-by-step explanation:
area= 88m
9m = base 1
13m = base 2
8m= height
Answer:140
y=-3x+4
x=2y+6
y + 3x =4
-2 + =6
x= 2y +6
y+3.(2y+6)=4
7y = -14
7y=-14
y=-2
x=2(-2)+6=2
solution is {y,x}= {-2,2}