what does macroeconomics focus on trying to understand? check all that apply.

Idon’t have a clue on how i should understand this i’m in need of assistance.

Want free points + brainliest? answer this drived ed question correctly and i got you ! rural areas are with long stretches of roads. a. densely populated b. sparsely populated c. free of law enforcement d. busy places

Let r(t) represent the rate, in square feet per minute, at which a groundskeeper is mowing a lawn t minutes after 3 p.m. what expression represents the area, in square feet, of the lawn that is mowed between 3 p.m. and 5 p.m.?