Please please help me on this question Use addition and/or subtraction to simply this polynomial

(3x- 5- 7x^2) - (-2+6x^2-5x)

N LINKSS PLZZ

For the following sequence determine the common difference (if it is an arithmetic sequence) or the common ratio (if it is a geometric sequence).

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15