Answer:
The correct answer is B. (2x and 7y)
Step-by-step explanation:
You cannot combine x to y therefore they are considered unlike terms .
30
I DONT KNOW BUT THAT'S MY ANSWER HOPE IT HELP
volume of a cone = (1/3)*pi*r^2*h
180 = pi(r^2)h
180/pi(r*2) = h