Answer:
50 - 15m
Step-by-step explanation:
You start out with 50 dollars so that is the constant.
Each DVD is 15 dollars, so for every dvd(m) it is 15 dollars.
Since C only has two and although it may look like B has three terms, when the letters are joined together like that they are basically just become one big term, so your answer would be A.
The second one I beileve is the answer to your question
The expected assembly time is the middle of the range of the uniform distribution, 8 minutes.
