Which of the following does not reveal the variation (spread) of the data? O standard deviation
O the median
O the 5 number summary
O the range
O all of the above show spread

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]