Answer:
375
Step-by-step explanation:
Answer:
the variable is "b"
Step-by-step explanation:

That's 7.68% = 7.7% (rounded)
Note: C(5, 4) is the number of combinations of 5 things taken 4 at a time. You may have seen this written as

In general,
Answer:
Step-by-step explanation:
How does lack of sleep affect risk of injury