Answer:
6
Step-by-step explanation:
The angle bisector divides the other segments proportionally. There are many ways the proportion can be written. One is ...
XN/NY = XA/AY
XN = NY×XA/AY = 4 × 18/12
XN = 6
No, 15/21 and 40/56 do not form a proportion.
i forgot im not smart
£78
65 divided by 5= £13
13+65=£78
