If the cost price of 21 article is to Selling price of 18 articles
Find Profit percent

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.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9