Answer:
The exponent is 5 because a exponent is what the number times itself like 3^2 is 9.
Answer:
-7
Step-by-step explanation:
Hope this helped! :)
The probability expression is 
<h3>How to determine the probability expression?</h3>
The given parameters are
- Sophomore = 6
- Freshmen = 14
The total number of people is
n = 20
2 of the 20 people are to be selected.
So, the number of selection is

This gives

The expression that represents both students being sophomore is
--- i.e. 2 students selected from 6
The probability is then represented as:

Hence, the probability expression is 
Read more about probability at:
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Answer:
the latter is 10 times the former
Step-by-step explanation:
The latter expression is the same as the former expression, but with a factor of 10 multiplying it. The second expression is 10 times the first.
Answer:
x=7
Step-by-step explanation:
x^2=14x-49
x^2-14x+49=0
(x-7)^2=0
x-7=0
x=7