Answer:39
Step-by-step explanation:
X=5 because you plug in the y into the equation y-x=17
No, it is not a valid inference because her classmates do not make up a random sample of the students in the school.
Hey! Hopefully this helped :)
Answer:
(a) 12:5
(b)12:7
Step-by-step explanation:
HOPE i helped!
