Which of the following is NOT a Pythagorean triplet? A. 20.30.40
B. 7 24 25
C. 15 20 25
D. 3 4 5

∆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)

Lines p and q intersect. find the value of b. show your work. cite any theorems you use.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?