Answer: Option 'D' is correct.
Step-by-step explanation:
Since we have given that
Upper P (Upper B vertical line Upper A)
means

It means that probability of getting event B given that Event A is occurred.
D. The probability of event B occurring, given that event A has already occurred. is also expressed as 
Hence, Option 'D' is correct.
If there are 4 pens there will be 1 pencil, if there is 1 pencil there will be 4 pens
If the ratio is factored to a number, let's say 3, then there will be 12 pens for every 3 pencils
This one is tricky....but I'll go for D cause your multiplying a number towards 5
-35 ok that is the answer
Answer:
x= -13/30
Step-by-step explanation:
For this you have to get rid of the 3/5 first.
By doing this you do it on both sides.
Which will get you -3/5 on the left side.
X = 1/6
-3/5 on the right side
x = -13/30