If Apr of a savings account is 2.7% and interest is compounded quarterly, what is the approximate APY of the account

Which of the following tables represents exponential functions?

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

How are sas and sss used to show that two triangles are congruent?