What is the area ? Plz answer fast

the answer is d

for problems like this theres an app, its photomath that explains the problem and gives the answer hope i

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

well, because the $0.25 is an added cost depending on how many minutes, the answer would be y = 30 + 0.25x.