If the system of linear equations below has no solution, and a is a constant, what is the value of a? "a. -2 b. -½ c. 2 d. and 2 equations in system are absolute value 1/2 x - 2/3 y = 7 and absolute value of ax-8y= -1

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

Why do businesses rely more on teamwork in today’s business environment? a. teams need fewer instructions. b. teams facilitate learning. c. teams create a harmonious environment at the workplace. d. the team’s collective output is greater than the total of each individual’s output. e. teams require lesser supervision

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?