Answer:
A) 5x = y
B) 
Step-by-step explanation:
A is 5x = y because there are 5 pink hearts per the number of boxes (x) bought.
B uses the equation 2x is less than or equal to 100 because the teacher is spending 2 dollars per kid and can spend a maximum of 100.
The graph for this is attached.
Answer:
One that looks like this.
Step-by-step explanation:
Y = 17 is not a linear function.
Answer:
The expression x =
could be used to determine the amount of water drank altogether.
Step-by-step explanation:
Given that:
Amount of water drank during practice =
liters
Amount of water drank on the ride home =
liters
Let,
x be the total amount of water drank by Ramona.
x = Water drank during practice + Water drank on the ride home
x = 
Hence,
The expression x =
could be used to determine the amount of water drank altogether.