The answer is going to be 2/15
To find the area of a trapozoid
((b1+b2)/2)xh
1. 48
2. 784
3. 11.4
4. 31.5
5. 336
6. 150
7. 6
8. 56
9. 2.5
i just put the answers but if you want to check my work then use the formula that i put at the beginning.
Remember that

try and simpliy each first
4y/14=(2/2)(2y/7)=2y/7
so 2x/7 divided by 2y/7

=
Answer:
45:20
which can be simplified to
9:4
Hope this helps!
~CoCo