What is the answer to 3.4−2.8d+2.8d−1.3

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)

Ineed if you could explain and give me the answer you! this needs done

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.