Question 1 of 10 For what value of x is the rational expression below equal to zero?
20+2x
5-x
A. 10
B. -5
C. 5
D. -10

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

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.

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30