The sales tax on your city is 8.8 percent and an item costs $63 before tax

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.

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

Write the rational number in lowest terms 99/-15