You are arranging chairs in an auditorium for the talent show. the number of rows is to be the same as the number of chairs per row. you will need a total of 225 chairs. how many chairs will be in each row?

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

Find the roots of the equation below. x^2 - 6 + 9 = 0

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?