Afarmer hears a weather report saying that temperatures will be decreasing approximately 6∘ 6∘ every hour for the next 5 hours. what signed number represents the total change in temperature expected over the next 5 hours

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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.

Which of these tools or constructions is used to inscribe a hexagon inside a circle?