The line a and line b are parallel to each other since if you draw another line or a third plane and it contains both points both in line a and in line b it means that this third plane passes through to the both lines a and b. In order to achieve both lines a and b can be passed by the third plane, they should be parallel to each other.
Answer:
C 120
Step-by-step explanation:
The probability of picking a nickel first would be: 4/10
The probability of picking a dime first would be: 6/10
