HELP it’s ASAP need to get this done!!

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

How can you construct perpendicular lines and prove theorems about perpendicular lines

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?