Answer:
3a^2 - 6b + 2ab
Step-by-step explanation:
Put all the like terms together
(4a^2 - a^2) - (7b + b) + 2ab
then simplify
(4a^2 - a^2) = 3a^2
(-7b + b) = -6b
then rewrite
3a^2 - 6b + 2ab
Answer:
I belive it is (40x10)+(40x7)+(3x10)+(3x7)
Step-by-step explanation:
Y=3x+10
10 represents the fee
X= amount of hours
3 is the cost per hour.
