If judy completes a puzzle by herself, it takes her 3 hours. working with sal, it only takes them 2 hours. what is the missing value from the table that represents judy's rate?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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.