Find m∠ABD and m∠CBD given m∠ABC = 77°. m∠ABD= ° and m∠CBD= °.

What is the measure of x? 43° 86° 172° 344°

27 is what percent of 108? 27 is % of 108

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.