A taxi cab company made this graph to show the cost of using a tax for different distances. Does the graph show a proportional relationship?

If 1 km = 0.621 miles, how many miles are in a centimeter

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)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?