Use the fundamental theorem of algebra to explain how many roots your expression can have. How many real roots and how many complex roots are possible? (X+12)^9

Me. i can't figure out this question. give an explanation too. .

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.