The following graph shows a proportional relationship. What is the constant of proportionality between y and 2 in the graph?
Y
8
6
4
2
2
2
4
6
Help fast pls

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

This is so hard and it’s for a test

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?