Using the numbers -4, 10, 8, 2, -3, 5 create two expressions that equals 6

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

Asphere has a diameter of 10 in. what is the volume of the sphere?

Math question.. plz me .. best answer all