If Find the measure of each angle. PLEASEE THIS IS MY END OF UNIT PLS HELPP

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

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)