Find the area of the shape shown below.

Find the difference (8ab+a+2) - (3ab+6)

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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.