What is the counter example to the difference of two whole numbers is a whole number

Alocal concert promoter purchases 2 3/4 pages of ads. when one of the concerts is cancelled, the promoter cancels 1 5/8 pages of ads. how much advertising space is the concert promoter actually using?

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Which graph represents the parent function of y=(x+2)(x-2)