Answer:
C
Step-by-step explanation:
In order to be a function, all of the graphs need to pass the vertical line test
Vertical line test- Only one point per vertical line, if there are more than one, it is not a function
C is the only one that has more than one point at a vertical line
Answer:
Step-by-step explanation:
a^2+6^2 = 23^2
a^2 = 23^2 - 6^2
a^2 = 529 - 36
a^2 = 493
a = √493
a = 22,20
X=20 distribute and combine like terms then divide
Answer: 
is a rational number.
Noah is doing a math problem, 1.39+4.45. Then, his friend Michael comes over and tells him the answer, 5.84.
