How are these laws applied in solving exponential expressions?​

Asquare parking lot has 6,400 square meters what is the length in meters

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

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g