Answer:
x²+5x-49
Step-by-step explanation:
-7² -x+6x+x²
combine like terms
-x+6x is 5x
simplify -7² is -49
now rewrite the equation
x²+5x-49
Answer:
C
Step-by-step explanation:
The same x value cannot be used more than once or it isn't a function.
Simplify the radical, then combine the numbers.
-131
For number 1, the median is 8
For number 2, the mode is C.100
And for number 3, the mean is D.410