Answer:

Step-by-step explanation:
Given


Required
Determine the equation (y)
Let the steady rate be represented with r.
So, the equation (y) can be determined using:



<span>Each question has 5 possible choices for an answer>
1st question: 5 ways
2nd question: 5 ways
.......
12th question: 5 ways
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Total # of possible answers 5*5*5...*5*5 = 5^12 = 244,140,625
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Cheers,
Stan H.
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The answer is 244,140,625</span>
Answer:
to the first one the answer is 0. To the number 2 the answer is 2
Answer:
Ito
Step-by-step explanation:
Make them to their closest common multiple which is twelve.
Next times 7 by 4 as 3*(4) is 12
Then time 9 by 3 as 3*(4) is 12
7*4=28
9*3=27
Therefore ito washes at a faster rate