First answer gets brainliest Please help

Which expression is equivalent to 5r6141 2r+st6

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6