What is (1,2) after reflected over the line y=x

Which equation can be simplified to find the inverse of y = 2x2?

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

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?