A phone company offers two monthly plans. Plan A costs $26 plus an additional $0.09 for each minute of calls. Plan B costs $20 plus an additional $0.11 for each minute of calls.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the solution of log2  (3x  -  7)  =  3? 4 5

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.