Answer:
Step-by-step explanation:
j
Answer:
7.3 inches
Step-by-step explanation:
Use the Pythagorean Theorem:

Therefore, the length of the hypotenuse is about 7.3 inches
The best and most correct answer among the choices provided by your question is the second choice or letter B which is "<span>b3- 3b2 + 2b ways."
</span><span>There are b choices for the first book, b-1 for the second, and b-2 for the third So multiply b(b-1)(b-2) to get your answer</span>
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