10 times as much as 2000 is 1/10 of

Let w=23 . what is the value of w + 45 ?

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.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?