write an equation to describe the relationship between t, the time and c, the total number of cassavas

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.

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4