Answer: It's not a polynomial
It's not a polynomial because the exponent of -1 in the second term. The exponents for any polynomial must be nonnegative whole numbers {0,1,2,3,...}
125 cubes can be made up with 18 cubes how? multiply 5×5×5 witch gets you 125.
hope that helps

what is b? from the first equation in the system, y + 2 = b.
Answer:
35/4 minutes per mile
Step-by-step explanation:
rate = time/distance, therefore the answer is 35/4