Because empty set has no element which automatically make it a subset of every set.
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
B, the slope has to equal three, a equals two and b equals three
First, Multiply 77.1 by 8 to find how many feet the submarine has dived.
77.1 × 8 = 616.8
Since the question is asking the submarines position "in relation to the surface," this number needs to be negated.
616.8 ⇒ -616.8
<h2>Answer:</h2>
<u>The submarine is at </u><u>-616.80 ft</u><u> in relation to the surface, so </u><u>option B</u><u> is correct.</u>
im really sorry but im in 6th grade.But id like to help if i new