Jim washes cars to earn money. On monday he washes 12 cars and earns $84. On tuesday he washes 6 cars and earns $42. On wednesday he washes 15 cars and earns $105. What is the rate of change of Jim's earnings?

d≈7.07in

step-by-step explanation:

amount of oatypop that contains the prize = 40%

amount   of oatypop which doesn't contain the prize = (100-40)=60%

probability that hannah will win a prize

    = s +f s +f f s+ff   f s+ff f f s+ infinity.where f= failure,s= success

=   or 60%

probability that hannah only has to buy 3 or less boxes before getting a prize= (s) and ( f s) and (ff s) and (f f f s)

        = = 87.04 %  

step-by-step explanation:

sweetheart, there isn't a cube below.