The sum of two numbers is 32 . one number is 3 times as large as the other. what are the numbers?

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.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Ineed to know the answer to this algebra question.