What are the possible numbers of positive , negative, and complex zeros of f(x)=-x^ 6 -x^ 5 -x^ 4 -4x^ 3 -12x^ 2 +12;

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?