3x4= 12+2= 14 (the dot means multiplication) and i dont know further srry :(
Answer:
or 4.47
Step-by-step explanation:

Maria is correct because she subtracted the discount and added the sales tax...
The discount is the amount that would be taken away from the original price and the sales tax is added to the original price.
Yes, they have enough money.
(26.50-25%+10%=22.525)
I think the answer is
8(3m-80p×(6m-20p)^3×(6m+20p)^2)