Can someone help me pls

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)