A system of equations is shown below: 2x = −y + 6
−4x + 3y = 8

What is the solution to this system of equations? (5 points)

(−1, −4)
(1, 4)
(4, 1)
(−4, −1)

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20