What are two numbers that multiply to 18 but add to -9?

-6 and -3

-6 x -3 = 19

-6 + -3 = -9

-6 x -3 = 18

-6 + -3= -9

Step-by-step explanation:

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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:

15 batches are the most you can make

step-by-step explanation: