Answer:

Step-by-step explanation:
Given
P(4,3)
Required
Solve
Using permutation formula;

This implies that





C
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Answer:
1.B 2.D 3.C 4.A
Step-by-step explanation:
D. Warm air rises and cool air sinks
Answer:
7,460 (or 7460 as some non-native English speakers would write it) since you always round a number down when it ends in 1 through 4, and always round it up when it ends in 5 through 9.
Step-by-step explanation:
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