Pls pls help
Perform the indicated operations.
a) 7a/20b
b) 7ab/20
c) 7/20ab

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

The function show two sisters' savings account and the rate at which they plan to deposit money