Answer: C
Step-by-step explanation:
Answer:
210
Step-by-step explanation:
The general formula for picking k items from a total of n is

Thus, if we want to select a committee of six people from a club with 10 members, the number of combinations is




= 210
The committee can be selected in 210 separate ways.
Answer:
x is positive, and y is negative
Step-by-step explanation:
-60° is a fourth-quadrant angle, where x is positive and y is negative.