Answer:
1:9
Step-by-step explanation:
6×60=360min
40:360
1:9
If triangle abc is similar to def
That means all angles are the same and sides will be multiplied by some factor x. So AB(x)= DE
8x=24
Therefore x =3
Now BC=EF/x
BC=42/3
BC= 14
Answer:

Step-by-step explanation:
24 + 4y = 12y
- 4y - 4y
__________

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