Im confused

find the surface area of the cylinder
write the steps and (dont use the π)
worth 12 pts

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

The parabola opens: y=√x-4 (principal square root) up down right left