What is the value of x in this equation?

(2.4x10^3)x(3x10^x)=7.2x10^9

Two lines that do not intersect are skew. always sometimes or never

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

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.