Lydia graphed ALMN at the coordinates L (0,0), M (2, 2), and N (2,-1). She thinks ALMN is a right triangle. Is Lydia's assertion correct?
Yes, the slopes of LM and LN are opposite reciprocals.
No; the slopes of LM and LN are not opposite reciprocals.
Yes, the slopes of LM and LN are the same
No, the slopes of LM and LN are not the same.

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv