Which of the following represents a circle

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?