Idk if it is or not. I have to explain it in the question

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

What properties allow transformation to be used as a problem solving tool

What is the 12th term of b(n)=-4-2(n-1)