I just need the answer to this ( look at picture )

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

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Which expression is rational? 6. , square root two, square root 14, square root 49