The cost of toilet paper is 9.99 for 9 rolls, what is the price per roll of toilet paper?​

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.

Identify the number 127 as a rational or irrational. explain

Someone me what is the area of this figure? 18m 18m 8m 16m