Which equation represents a line parallel to the y-axis?

1. X=y

2. X=4

3. y=4

4. y=x+4

A sandwich costs $0.75 more than a container of milk. A customer buys 4 sandwiches and 4 containers of milk. The customer pays $7.00. What is the cost of a sandwich?

two trains are 550 miles apart heading toward each other on parallel tracks. Train A is traveling east at 35 miles per hour, while train B travels west at 45 miles per hour. When will the trains meet each other in their respective tracks?

How do you expand (x-4) ^2?

19. How many 2-inch segments are there in 12 ft.? A. 24 B. 72 C. 10 D. 6

What is the perimeter of the rectangle shown below? apex algebra 1 sem 1 unit 6