12.
Add like terms from both trinomials:



Combine these terms to get a new trinomial as your answer:

13.
Subtract like terms from both trinomials (note that subtracting a negative is the same as adding it as a positive):



0 can be left out of the answer.
Combine these terms to get a binomial as your answer:
The answer is A you need to multiply the number of buquets then add it to thr price of the vase
27/7 or Decimal: 3.857143
Volume of a cylinder= π r^2 h
.4= radius
π• 4^2 • 3= 150. 79