I think it’s 20 but I may be wrong
Answer:

Step-by-step explanation:
Considering the expression

Simplifying the expression









As

and

So,















Therefore, 
Keywords: algebraic expression
, simplification
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Answer:
The median is 37
Step-by-step explanation:
The median is the middle number in the set when organizaed from low to high:
15, 22, 37, 49, 82
From this arrangement, we can see that 37 is the middle number making it the median.
Answer:
x=5.9
Step-by-step explanation:
Domain: -4, -1, 6, 8, 9
Range: -2, 0, 4, 5
Domain can easily be found by looking through the set's x-coordinates.
Range can be found on the y-coordinates.
Repeating numbers just needs one number to be listed (Ex. the range has two 4's but there is only one 4 listed).
Write them in order.