Anumber that can be written as a fraction of two integers i called a what

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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.

What is the absolute value of the complex number -4-sqrt2i