I’m on Acellus and I have to combine like terms. I already got 12x but I can’t seem to get the next number. Can anyone help?

do have an equation or graph or

step-by-step explanation:

the answer i believe is 27 units.

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a