Express the following expression into non zero and non negative exponents. simplify your answer

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

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

The equation y= -16t^2+120 can be used to represent the fridge height above the ground where ti represents time in seconds after she threw the apple how long does it take the apple to hit the ground running your