Two similar cones have matching heights and radii whose lengths are in the ratio 5:1. Find the ratio of their surface areas.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

.

jbankston is right, use thhe link and you should find the answer.