Line segment rs is shown on a coordinate grid:
the line segment is rotated 270 degrees counterclockwise about the origin to form r's'. which statement describes r's'?
r's' is parallel to rs.
r's' is half the length of rs.
r's' is twice the length of rs.
r's' is equal in length to rs.

Which of the following is true for the relation f(x)=2x^2+1

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250