What is
33 x 45 x 87 -100 ???

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55