What is the solution to 12x+4y=6 and 3x+y=-6

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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.