Ineed a division story problem for 30 divided by 6

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)