1/3 of a number decreased by 13 equals 45.
What equation would it be?

1/3x - 13 = 45

to find x:

45+ 13 * 3 = x

Step-by-step explanation:

1/3 n - 13 = 45

Step-by-step explanation:

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the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!