A bag contains 8 blue marbles, 6 red marbles, and 5 green marbles. The marbles are drawn one at a time. Find the probability, the third marble is red, given that the first two are green and blue and not replaced

∆abc is reflected across the x-axis and translated 2 units up to give the image ∆a'b'c' with coordinates a'(1, 1), b'(2, -1), c'(2, 1). what are the coordinates of the preimage ∆abc? a. a(-1, 1), b(-2, 3), c(-2, 1) b. a(1, 1), b(2, 3), c(2, 1) c. a(1, -3), b(2, -1), c(2, -3) d. a(1, -3), b(2, -5), c(2, -3)

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9