30 points the slope of a line is 5/8, and the line passes through the point (−8,−4). what is the slope-intercept form of the equation for this line? y=5/8x + 1 y=5/8x − 9/2 y=5/8x y=5/8x − 9

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Given that abcd is a rhombus, what is the value of x?

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