A group of k elements can be chosen from a group of n elements in
ways.
The answer is B. 495.
Answer: A. <em>Representative, since blood types are probably not different among students at the cafeteria compared to the U.S. population</em>, B. <em>Not representative, since students in the cafeteria may eat most of their meals at the cafeteria instead of eating fast food</em>
Step-by-step explanation:
I Hope that this helps! :)
He spends 45 on wood so that doesn't change
this is a loss so -45
then 22 for each bowl so +22 times number of bouls represented by b so
+22b
f(b)=22b-45
profit depends on number of bowls he sells
