Which number in the placement set {1,2,3,4} makes 6z + 4 = 22 a true statement?

What is the measure of angle tvu shown in the diagram below

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

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.