Log3(x)=4.5 and log3(y)=3 then what is log3(x^2/y)?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys