Which relation is a function? A(1,0), (3,0), (1, 1), (3, 1) (1,3)
B (1, 1), (2, 2), (3, 3), (4,4), (5,8)
C (2,7), (6,5), (4,4), (3, 3), (2, 1)
D (9, -3), (9, 3), (4, -2),(4,2), (0,0)

B (1,1) (2,2), (3,3), (4,4) 5,8)

the forst and 3rd

step-by-step explanation:

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.