The midpoint of AB is (2, -1) and endpoint B is (7, -7). What is the ordered pair of endpoint A?
(-3,5)
(9, -8)
(4.5, -4)
(5, -6)
Which of the following sets of lengths can represent the measures of the sides of a right triangle?
8, 15, 17
20, 25, 30
5, 12, 15
4, 5, 6
8.0
5.8
16.4
7.3
