Heather was asked to graph 2x + 4y = 12 by using slope and y-intercept. her graph is shown. which choice supports the graph that she has drawn. a) the slope is positive 1 2 and the y-intercept is (0,3). b) the slope is negative 1 2 and the y-intercept is (0,3). c) the slope is positive 1 2 and the y-intercept is (0,-3). d) the slope is negative 1 2 and the y-intercept is (0,-3).

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test