Line cd contains points a (4,-7) and b (4,8). the slope of line cd is a) zero b) undefined c) positive d) negative

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

1foot = 12 inches; 1 yard = 3 feet

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2