I'm honestly looking for advice on a personal matter while I blow off class

Spray-applied coatings must be applied according to transfer efficiency standards using what technologies? a) high volume, low pressure (hvlp) guns b) electrostatic guns c) airless guns d) all of the above

What will happen to a firms profit maximizing quantity in the short run if there is a significant increase in rent

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor