Which of these four sets of side lengths will form a right triangle? Set 1 6 cm, 7 cm, 12 cm Set 2 29 in., 8 in, 35 in. Set 3 W3 mm, 4 mm, 5 mm Set 4 26 ft, 6 ft 9 ft. Set 1 Set 2 Set 3 Set 4
Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?