The area of a trapezoid is 322m2 one base is 12m and the height 14m what is the measure of the other base

On a piece of paper graph f(x)=5•(0.4)^x

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

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