Which is not a correct way to represent the variation “the second number is less than three times the first number”? y=1-3x y=3x+(-1) y=-1+3x y=3x-1

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?