It took 2 electricians 5 days to wire a house. how long would it take 10 electricians?

Which function has the same domain as y=2x

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.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?