100% A small brick of sculptor's clay has a mass of 2.2 kg. A large brick of sculptor's clay has a mass of 6.4 kg. Dante ordered a total of 18 bricks
sculptor's clay. The mass of all the clay was 85.8 kg.

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

the answer on ed. is:

c. "the graph of f(x) has exactly two x-intercepts."

hope i could someone! : )