Solve 12 = x/4 algebraically. then, check your answer.

F(x)=|x| is shifted down 4 units and to the right 3 units.

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.

Tan198=asin164=? how to solve this? ?