The function f(t)=90(0.96)^t represents the number of grams of a chemical compound t years since the chemical compound was formed. Approximately how many grams of the chemical compound remain after 14 years? 1.)1 , 209.60 grams
2.)86.40 grams
3.)75.17 grams
4.)50.82 grams

The graph of a line gets what as the value of the slope gets bigger

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

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