Find a negative real number such that the square of the sum of the number and 25 is equal to 36

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer