A student places four identical cells into four different liquids. Which cells would take in water and swell?

cells X and Z
cells W and Y
cells X and Y
cells W and Z

∆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 is the y-intercept of the line given by the equation

Plz ( true - false) all triangles have interior angles whose measure sum to 90.