Hay que hacer lo que esta en el power pero como estoy a fin de semestre tengo que hacer otras cosa

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

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?