Solve for a: 60a - 80a ≥ -64 -92

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')