Which of the following will always determine exactly one triangle

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1