Lujan, Emmanuel 7
There are n nonfiction books and 12 fiction books on a bookshelf. If one of these books is selected at
random, what is the probability of selecting a nonfiction book, in terms of n?
А
n
12
B
n
n +12
C
12
n
D
12
n +12
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Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed