If a card is picked at random from a standard 52-card deck, what is the probability of getting a spade or a king?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

For what value of x does 4x = (1/8) x + 5?