Solve for x in the equation 2 x squared minus 5 x 1 = 3.

What happens to the composition of an atom to cause it to become positively or negatively charged?

Factor out the greatest common factor. minus − 14 14p3 plus + 10 10p2 plus + 4 4p

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