What is 3/4 of a number minus -16 equals 28. what is the number

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 tile along the edge of a triangular community pool needs to be replaced? ?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5