What is the value of x in this equation?
-6x=72

If the measure of xyz is 81 what is the measure of yz

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.

Write a function rule for  “the output is  5 less than the input.” let  x be the input and let  y  be the output.