Plz mr. o'lear is conducting an experiment that involves 10 plants. he initially determined that the plants had a mean height of 72 centimeters and a mean absolute deviation of 8.5 centimeters. he later discovered that he made two errors in the height measurements of two plants. the table shows the incorrect and the correct measurements of the two plants.

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

The function show two sisters' savings account and the rate at which they plan to deposit money

Can someone explain to me how to do