What is the constant of variation, k, of the direct variation, y = kx, through (–3, 2)? k = –k equals negative StartFraction 3 Over 2 EndFraction. k = –k equals StartFraction 2 Over 3 EndFraction. k = k equals StartFraction 2 Over 3 EndFraction. k = k equals StartFraction 3 Over 2 EndFraction.

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)