Mr. McGee has a piece of yarn that is 19 inches long. He cuts off 2 pieces that
are each 6 inches long. How many inches long is the yarn now?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol