Does drinking coffee before the SAT help to get a better score?

Time's up got my coins up, my bars up, soon we find 'em we gon' slide 'em, we lined 'em, straight reclined 'em pistol grip, i got all kinds of, i'm not your driver shot gon' hit him, he won't answer, i'm blowin’ ganja so much work, they call me old school, i remind ya that bisshhh you think you got is not you, where you find her? she a kickstand, a big fan, i get behind her then i slid it in, i win, i win, ayy

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

Feedback is given with little or no reservation 1.supportive 2.high-monitoring 3.positive 4.low-monitoring ?