The answer is A.
Ordered pairs that equate to a function would not have two separate points with the same x-value. In other words, every x-value must be associated with only one y-value.
(10)2 x (6)3 = 38
It will cost $38 for 2 adult's and 3 children's tickets.
300,000cm is equals to 3km
3936/9=440 if that is what you meant
629,999 =630,000. Nearest hundred
