I think B. Y=8000(1.075)^1 would be more appropriate for a test.
Answer:
A polynomial needs to have either addition, subtraction or multiplication in the equation.
The 2nd, 3rd and 4th answers have subtraction and addition, so those are polynomials.
The first answer is a fraction, which is a division problem, therefore is not a polynomial.
Answer:
B: a pattern of two-dimensional shapes that can be folded to form a solid figure.
Step-by-step explanation:
Hope this helps!
I believe it is the first or the last one.