Answer:
120
Step-by-step explanation:
multipy 30 by 4 and you should get 120.
You can even do 30+30+30+30 and it will also add up to 120.
Answer:
72y2-45
Step-by-step explanation:
9y2 + 9(7y2 - 5)
you multiply the 9 by the stuff in the parentheses
9y2 + 63y2 - 45
72y2-45
300*15%=48 there for 300 is your amount of saving before she spent 15% of it
Answer:
You technically can't do anything with it since it the algebraic expression doesn't factor.
Step-by-step explanation: