Answer: 0
Step-by-step explanation: 21/7=3, so there is no change.
Answer:
No.
Step-by-step explanation:
When trying to make this into a proportion, the left and right sides of the equation are unequal, therefore this is invalid.
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"Combinations" isn't really the right word, because a combination doesn't take order of elements into account, and the outcome of a race certainly does depend on order. "Permutations" would be the correct term.
If 4 students are competing, then the race has
4! = 4 • 3 • 2 • 1 = 24
possible outcomes.
Answer:
a and b are parallel
Step-by-step explanation:
corresponding angles converse
