PLEASE HELP DUE TONIGHT!! Use elimination to solve the following system of equations
for y.
4x + 3y = 29
2x - 5y = -31
A. 7
B. 3
C. 1
D. 5

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

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.

How can (square root of 25) ^2 be rewritten?