Solve each equation with the quadratic formula

8n^2-4n=18

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

What expression is equivalent to 42x-56y