School is almost out have fun and enjoy the points-- part 3

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

43lbs of tomatos cost $387. how much would 41lbs cost

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).