PLEASE HELP

Look at the attached file below

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

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?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5