Simplify the given expression below: (-3 + 2i) - (2 + i)

1) -8 + i

2) -6 + 3i

3) -3 +4i

4) -1 + 2i

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,