Which rule about the sign of the quotient of positive and negative decimals is correct? Answer quickkk

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

17 in long 1.3 ft wide and 8in high what is the volume

5x−4≥12 or 12x+5≤−4 can you with this problem