What is the gcf of 48m5n and 81m2n2?
3mn
3m2n
48m2n
129m5n2

Which of the binomials below is a factor of this trinominal? x^2-13+30

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0