follow these steps:
1) y-4=7x^2
2) (y-4)/7 = x^2

so you must inverse x and y names:

Answer is 150/x see photo for solution
Answer:
If 3 students walked, then according to the given ratios, 18 students would have taken the bus.
Step-by-step explanation:
Given: 3 Walkers
1:2 --> 3:6 walkers to subway
1:3 --> 6:18 subway to bus riders
Answer:
6 and 5 over 6
6 5/6
Step-by-step explanation:
it would be a mixed fraction because 6 can't go into 41 evenly
65 is the answer. Solve the first equation and then plug in.