Which statements describe the graph of y = 4x2 + 28x + 49? check all that apply.
the graph has two x-intercepts because 4x2 + 28x + 49 has two different factors.
the equation 2x + 7 = 0 can be used to find a zero of the function.
the equation (2x – 7)2 = 0 can be used to find the y-intercept.
the graph has a double root at x = .
the graph intersects the y-axis at y = 49.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.