which is an example of the opposite of a sum property?

16 + (–16) = 0

–8 + (–13) = –13 + (–8)

11 + (–14 + 5) = (11 + (–14)) + 5

–(22 + 1) = –22 + (–1)

Amaple syrup producer records th amount of sap collected from each of his trees. the line plot shows the results for one day. what is the least amount of sap any one tree produced?

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

Will gve pints stars and brainliest