Last month, alex spent 40% of his salary on a laptop. he then spent 30% of it on his bills and saved the remaining $1,200. what was his salary?

Which function has the smallest y-intercept value

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

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.