If the sales tax in your city is 12.0%, and an item costs $109 before tax, how much tax would you pay on that item? round to the nearest hundredth or cent.

Which expression is not a polynomial?

Im literally having a mental breakdown

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)