Tucker rode his scooter 10 miles. it took him 55 minutes. how fast was he going? [type your answer as a decimal rounded to the nearest hundredth.]

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.

Can someone me do math because i am having a breakdown rn because i don’t get it

To decrease an amount by 16% what single multiplier would you use