Technician a says primary vibration is created by the slight differences in the inertia of the pistons between top dead center and bottom dead center. technician b says secondary vibration is a strong low-frequency vibration caused by the movement of the piston traveling up and down in the cylinder. who is right? a) technician a only b) technician b onlyc) both technicians a and b d) neither technician a nor b

He taylor company sells music systems. each music system costs the company $100 and will be sold to the public for $250. in year one, the company sells 100 gift cards to customers for $250 each ($25,000 in total). these cards are valid for just one year, and company officials expect them to all be redeemed. in year two, only 96 of the cards are returned. what amount of net income does the company report for year two in connection with these cards? a. $15,000b. $15,400c. $15,500d. $15,800

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.

John's pizzeria and equilibrium john is selling his pizza for $6 per slice in an area of high demand. however, customers are not buying his pizza. using what you learned about the principles of equilibrium, write three to four sentences about how john could solve his problem.