The surface area of a cone with radius r units and slant height s units is shown below:

surface area = 3.14(rs + r2)

part a: if r = 2 units and s = 3 units, write an expression that can be used to calculate the surface area of the cone.

part b: what is the surface area of the cone? show your work

The heaviest 16% of all men in weight weigh more than how many pounds ?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.