How many decimals places are in the products of 3.2x0 0.77x1.6

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

What is the upper quartile in the box plot?

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