Ineed with questions 10-15 because i have no idea how to do it. plus i also need with questions 25-27. and you!

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Find the least common denominator for thesetvo rational expressions.n^2/n^2+4n+4 -3/n^2+7n+10