What is the equation of the line that passes through the point (3,-1) and is perpendicular to the equation y= -3x+2? A. y= -3x
B. y= 1/3x - 2
C. y=1/3
D. y= -3x + 8

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

Examine this system of equations. what integer should the second equation be multiplied by so that when the two equations are added together, the x term is eliminated? 3/4x+1/7y=6 1/8x-3/5y=16