Can someone please help, ty!!

Let w = 4. enter > , < , or = to compare the expressions. 3w² + 1 10w + 8

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.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.