9. What is the degree of the polynomial (x - 1)(x + 2)(2x - 3)? A. 4
B. 3
C. 2
(explain please)

Is every rectangle is a parallelogram? true false

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6