Acard was selected at random from a standard deck of cards. the suit of the card was recorded, and then the card was put back in the deck. the table shows the results after 40 trials.
what is the relative frequency of selecting a club?
outcome: club diamond heart spade
number of trials: 8 12 11 9
a.17%
b.20%
c.25%
d.30%

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