1. add or subtract. show your work for each problem. 20 points each will mark brainiest (10 point for correct answer, 10 points for showing work.) a. (x^2 −4x+5)+(7x^2 +2x−3) b.(7x^2 +4x−6)−(2x^2 −3x+1)

What is coefficient of the term of degree of degree 5 in the polynomial below

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Determine the common ratio and find the next three terms of the geometric sequence. 649-14-02-00-00_files/i0100000, 649-14-02-00-00_files/i0100001, 2, a. 3; 649-14-02-00-00_files/i0100002, 649-14-02-00-00_files/i0100003, 649-14-02-00-00_files/i0100004. c. 649-14-02-00-00_files/i0100005; 649-14-02-00-00_files/i0100006, 649-14-02-00-00_files/i0100007, 649-14-02-00-00_files/i0100008. b. 3; 6, 18, 54 d. 649-14-02-00-00_files/i0100009. 6, 18, 54 select the best answer from the choices provided a b c d