Keith applies a new conditioner to his hair. He finds that the rate at which his hair grows can be modeled by a linear function. He observes that the rate of growth is 2 cm every 3 days. After 21 days, he measures the length of his hair to be 24
centimeters. What was the initial length of his hair?

10cm

Step-by-step explanation: His hair has grown 3cm 7 times over the course of 21 days. This totals 14 in of growth since 21/3*2=14. Then 24-14 gets you 20

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: