Answer:
12
Step-by-step explanation:
y=0.8x
take two points from the graph
(5,4) and (0,0)
then do y2-y1/x2-x1
4-0/5-0
4/5=.8
23
3z + 2(z-1)
Let z=5
3*5 +2( 5-1)
15 +2(4)
15+8
3.49
B = 5.5-2.01 = 3.49
have a great day!