Which of the following equations has exactly one solution? A. 5a + 4 = 9a + 3 – 4a
B. 3 + 5x – 12x = 2 – 7x
С. 9.2n + 3.1 = 5.2n – 4.9
D. 11 – 4s = -1/2(8s) + 1/2(22)

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.