Find the value of x is this problem.

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.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)