Given the system of equations. -4x+y = 3
2x-y= 12

Which of the options represents the resulting equation after an equivalent expression for y is substituted into the second equation.

2x - (4 x + 3) = 12
-4(4 y+) + y = 3
2 (4 x+3) - y
-4 x+ 4 x-3 = 3​

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Find the probability that -0.3203 < = z < = -0.0287 find the probability that -0.5156 < = z < = 1.4215 find the probability that 0.1269 < = z < = 0.6772