Answer:
106
Step-by-step explanation:
280 - 174 = 106
A
The second equation because they all have a common factor of 3. You can get x by itself. However, with the first one, you'll end up with fractions instead.
275.125
just multiply 35.5 with 7.75 and theres your answer
Yes, the two events are independent because P(NF|PB)=P(NF).