Which products are negative?

choose all answers that are correct.

a.

b.
8.1 • 7 • (–4.2)

c.

d.
–4 • (–3.1) • (–2)

6.3x+14 and 1.5x-6 answer in simplified form

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Does anyone know how to do geometryme with this problem