Answer:
the first one
Step-by-step explanation:
In the other 2 i can see the x repeats itself meaning it isn't a function.
12-10=2, 4/2=2, 5-2=3, 3*3=9, 4+9=13
Answer:
corndogs = 127
Step-by-step explanation:
number of corndogs = X
number of soda = Y
Y + 42 = X
X - Y = 42 ------------ (1)
Y + X = 212 --------- (2)
(1) + (2)
2X = 254
X = 127