Answer:
81/2=40.5
Step-by-step explanation:
A) 4x+12y
B) 2(2x+6y) is one way to do it
1+1+2 is 4 and 12y cannot be added to anything.
2 x 2 is 2 ans 6 x 2 is 12
Please edit the question
15
3 * 5 = 15