Select ALL coordinate pairs that are solutions to the inequality 5x + 9v < 45. a. (0,0)
b. (5,0)
c. (9,0)
d. (0,5)
e. (0,9)
f. (5,9)
g. (-5,-9)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?