10 different groups can ski.
This is a combination of 5 items taken 3 at a time:
Answer:
0
Step-by-step explanation:
Any number multiplied by zero is equal to zero. So if the product is zero, one factor must be zero. Since you already have a nonzero factor, the other must be zero.
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Answer:
a) yes
b) no
c) yes
Step-by-step explanation:
the sum of the 2 shorter sides must be longer than the longest side