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

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

The distance from the sun to earth is about 1.5×10 to the 11th m suppose light travels at a speed of 3×10 to the 8th m per second about how long does it take light from sun to reach earth