Which products are negative?

choose all answers that are correct.

a.
–3.1 • (–4.2) • (–6) • (–1.5)

b.-1 1/4 x(-2 3/4)x(-3)

c.1/2 x(-1/4)x(-1/8)

d.
8 • (–1.1) • 5

Plz hurry evaluate the expression a+b where a=8 and b=19

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Solve for x. −3/4(x+2)=6 enter your answer in the box