is it just me or people on here could be so rude like I just need a little bit of help no need to be rude

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)

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?