{v v urgent }
you play a one-card draw standard deck card game in which you are rewarded 20 points for a face card, 30 points
for an ace, and 5 points for a ten. every other card gets a zero. find the expected value of any given card

round to the third decimal

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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