8 15 17 i think no clue really
Answer:
4 sides of each and they share one side so 3 separate sides. hope it helps
Step-by-step explanation:
324120 this is how many hours old he is
Parallel lines have the same slope but different y-intercepts.
Mary: x yrs old
Mike: 3x yrs old
In four yrs:
Mary: x+4 yrs old
Mike: 3x+4 yrs old
As the text of task:
3x+4=2(x+4)
3x+4=2x+8
3x-2x=8-4
x=4
Mary is 4 yrs old