What is the answer to 2x - 20°

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.

Which of the following graphs could represent a cubic function?

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?