So I’ve got 7th grade math homework and I don’t really get this

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?