Help me pls hats 18 =-2y

What is not true about kl and mn? what is mn? (show your work)

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10

If the value of cos330°is√3/2 then find cos 165°.