Simplify 8^2 / 4 + 3(6 - 3) + 2^3.

show steps pls

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

Standard deviation of 19,29,21,22,23

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?