Find the measure of red arc ZX

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Common binomial factor of 6x(3x+7)+5(3x+7)