Gabriella answered 72 questions correctly on her multiple-choice history final and earned a grade of 36%. How many total questions were on the final exam?

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

Me asap! what is the slope of this line? enter your answer in the box.

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