Solve inequalities and I'll do the graphing

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost. swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Predict which statements are true about the intervals of the continuous function. check all that apply

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply