- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: In how many ways can Iris choose 4 of 13 books to bring on vacation? A) 715 B) 17,160 C) 24 D) ... (Read 70 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Did you know?
There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.