Which products are negative?

choose all answers that are correct.
a. 8*(-1.1)*5
b. (-1 and one fourth) * (negative 2 and three fourth)* negative 3.
c. ( –3.1) • (–4.2) • (–6) • (–1.5)
d. (one half )times (negative one fourth) times (negative one 8th)

So we want to know which of theese products are negative. We have three rules: -1*(+1)=-1 and -1*(-1)=+1 and +1*(+1)=+1 Lets calculate and check: A. is negative, B. is negative, C. is positive and D.positive. So Aand B are negative and that is the correct answer.

Ibelieve the answer is c