A day trader buys an option on a stock that will return $100 profit if the stock goes up today and lose $500 if it goes down. If the trader thinks there is a 70% chance that the stock will go up, find the standard deviation of the day trader's option value.

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12