Identify the expression equivalent to 2x + 8 by substituting x = 7 and x = 5. a. 2x+10+10 b. 2(x+2) c. (x+4) + (x+4) d. (x+4) e. 2(2x+4)

Of four points are collinear, they are also coplanar

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Find the roots of the equation below. x^2 - 6 + 9 = 0