Which of the following quantities are inversely proportional? The number of hours worked and the amount of money earned, assuming the worker is paid by the hour

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

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?