What is the percent of change of 450 centimeters to 675 centimeters

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?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*