Robert is playing a game of cards with his family. If he randomly picks a card from a standard 52-card deck, the probability of drawing a heart on the first draw is . So, we can describe the event of picking a heart from a deck of cards as
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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

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11