Find the unit vector in the direction of u = (-3,2). a. u = -3√13 / 13i + 2√13 / 13j b. u = -3√5 / 5i + 2√5 / 5j c. u = 3√5 / 5i - 2√5 / 5j d. u = 3√13 / 13i + 2√13 / 13j

What is the least common multiple of 16 and 3?

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9