State whether each equation below represents a proportional relationship. how
can you tell?
a. y = x + 2.3
b. y = 6/13x
c. 7 - y = 2x

What is the base of 1/9 to the power of 2

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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.