Use slope formula: y2-y1/x2-x1
XZ: -5/9
YZ: 2/7
XY: -7/2
XYZ is a right triangle because two of these slopes have a product of -1.
(YZ and XY does). We are all busy these days.
Answer:

Step-by-step explanation:

I think it’s B I’m not surr
The answer to this question is 110
LCM would have to be 2 I think