What is the three steps in the math equation x+4=7

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

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

What is the slope of the equation y =