Which function has a vertex at (2, -9)?
O f(x) = (x – 3)2
O f(x) = (x + 8)2
O f(x) = (x – 5)(x + 1)
O f(x) = -(x - 1)(x - 5)

Solve the inequality and graph 6j - 7 < 5

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1