If quadrilateral abcd rotates 90° counterclockwise about the origin, what are the coordinates of a′ in quadrilateral a′b′c′d′ ?

(2, 1)

(-2, -1)

(-2, -2)

(-2, 0)

You use math in day-to-day routines when grocery shopping, going to the bank or mall, and while cooking. how do you imagine you will use math in your healthcare career?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Find the nonpermissible replacement for binthis expression.b2/5b +5