Answer:
6
Step-by-step explanation:
2*2=4
3*2=6
1+3/5-5/6=30/30+18/30-25/30=23/30
Answer:
Step-by-step explanation:
Used (0,0) and (-2,4)
(4-0)/(-2-0)= m
m= 4/-2 = -2
Answer:
$28
Step-by-step explanation:
The markup was 0.40×$20 = $8, so the new price is ...
$20 +8 = $28
The cost equation is a parabolic graph, whose "lowest value" is at its vertex, it is up and goes down down down, reaches the U-turn and then goes up up up again.