What is the rate of return when 20 shares of Stock A, purchased for $20/share, are sold for $490? The
commission on the sale is $6.
Rate of Return = [?] %
=
Give your answer as a percent rounded to the
nearest tenth.

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²