The highest temperature Tuesday afternoon was -12º. Tuesday night, the temperature dropped 170 to the lowest temperature of the day. What was
the lowest temperature on Tuesday night?

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 x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Y=21.95x+10 y=22.45x solve by substitution