Answer:
A.
Step-by-step explanation:
15x1=15 so 2x as many men 15x2=30 30+ 15 is 45.
A
Hope it helps !!!!
I don't know.............................
maybe 18
y= 2x+9
y=2x-1
y=2x-13
y=2x-2
y=2x+7