Rosy has two faulty alarm clocks. clock a rings every six hours, and clock b rings every nine hours. when will they both ring together for the first time?
choices
a. after 6 hours
b. after 9 hours
c. after 15 hours
d. after 18 hours
i need this done asap. first one to answer will definitely get a thx.
and you

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

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