I'll give brainlist to the person that answers

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

Write the following as a base and exponent

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7