3(2^2x+3)-5(2^x+2)-156=0 in logarithm form

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

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.