Of the 16 people who have signed up for a genetics lecture, 4 have green eyes. What is the experimental probability that the next person to sign up will have green eyes?

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

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left