Solve for x

-3 < 3x -9 < 9

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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.

What is the factored form of the following expressions? d^2 – 13d + 36