What equation represents a line perpendicular to a line that passes through (-2,4) and (1,-5)?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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?