Answer:
Step-by-step explanation:
If
, then 
Now, puting
value in the other equation, we have

Therefore, is a cubic equation
Answer:
1 is correct answer
Step-by-step explanation:

hope it helped you:)
Answer:
What I got is A. 13.6
Step-by-step explanation:
i did math in journal.
<span>The next number in this sequence would be 300 because you are multiplying by 10 each time.</span>
Answer:
90 MPH
Step-by-step explanation:
2700 / 30 = 90