Which expression is not a polynomial?

11p-7q

8xy^4-5x^3y

2-x

-4/y

If x2 - 4 = 45, then x could be equal

The number of product units q assembled during one shift is a function of the number of employees, n. Suppose that this function is q=f (n) = 60n-n3. The company profit p is a function of q, namely p=g (q) = 43q-10000.

Solve this equation 7x-11y=2

At your local farmers market, it cost $10 to rent a stand, and $7 for every hour you stay there. If you paid a total of $38, how many hours did you stay at the farmers market

Two stores sell the same refrigerator for the same original price. Store A advertises that the refrigerator is on sale for 15% off the original price. Store B advertises that it is reducing the refrigerator's price by $150.

Javier has 15 straws mindy has 3 more straws than javier how many straws do they have together

I what to learn how to cross muilpe

6⁄5 * 1 3⁄4 * 2 3⁄2 =

The probability that a wildcat well will be productive is 1/13. Assume that a group is drilling wells in various parts of the country so that the status of one well has no bearing on that of any other.

Can you simplify this expression [3+4*8 - (16/4+10) ]