Which of these statements best describes the relation shown? a relation that is not a function
a function that is one-to-many
a function that is one-to-one
a function that is many-to-one

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?