PLZ help due in 10 min

35 points, ! name one pair of congruent sides. a. segments pr and sv b. segments qr and st c. segments rp and ts d. segments pq and vs

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?