9 students volunteer for a committee. How many different 2-person committees can be chosen?
2 answers:
It is definitely going to be 72
The answer is 72, since for the first person, we have 9 choices. The second choice, we have 8 choices. Therefore, the answer is 8 times 9, which is 72.
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Either 2,666 or 2,722
Answer:
75% of students passed
Step-by-step explanation: divide 18 by 24 to find the precentage
Answer:
45 100
/ \ / \
3 × 15 2×50
/ \ / \
3× 5 2×25
/ \
5×5
45 : 3×3×5
100: 2×2×5×5
common : 3×5
15
HCF: 15
The perimeter is 25 2/4 in.
