Answer:
D
Step-by-step explanation:
The answer is D because for it to be a function x-value can only have one output. For D, 8 has two outputs 1 and 4.
For every 7 female birds, there are 4 male birds.
Answer:
9
Step-by-step explanation:
All you have to do is plug x = 2 into the equation so:

When points are being reflected over the x axis you simply multiply the y value by -1. This makes the last option the correct one.
Answer:
Yes you can.
Step-by-step explanation:
Multiply length x width.
Other:
If you want me to find the exact answer, it is not currently possible as you haven't given me any dimensions.