Geometry ? waiting for an hour! 20 points! !

side cb is perpendicular to side ad at b between a and d. ∠bca ≅ ∠bcd and side ac ≅ side dc. which congruency statements (hl, aas, asa, sas, and sss) can you use to conclude that triangle abc ≅ dbc?

hl, aas, and asa
hl and asa
hl, aas, asa, and sas
hl, aas, asa, sas, and sss

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?