Which graph represents the function y = -2cos(21x)?
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Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .