Sarah would be incorrect, because the more numbers after the decimal, the smaller the number would be, because it is further away from the number one.
A, because 59-56= 3.
Others are distributed on a larger scale. 11-6=5 for B, 6-0=6 for C, 8-1=7 for D
The number of a radius is half of the diameter. so 3 is half of 6. your diameter is 6.
Two term quartic, or degree 4 polynomial