Four friends needed to unload 4 trucks full of bricks. because the trucks were the same size they each were given one to unload. at the end of the day, mark was 64% finished, mike was 56% finished, janelle was 80% finished and debra was 72% done unloading her truck. what percent of the entire job remains to be completed?

What is the value of x? 3x + (6x - 6) = 4(2x-2)

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.

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i