amreengrewal001 amreengrewal001 22-06-2020 Mathematics contestada HELP PLEASE I NEED HELPPPP What is the sign of....a x (-b/b) when a =0 and b<0 A. positive B. negative C. zero THIS IS ON KHAN ACADEMY AND I DONT GET IT IF U ANSWER ILL GIVE YOU BRANLIEST AND 100 points PLEASE JUST HELP MEH