I know the answer is none but why is that?

Please explain to me

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

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.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?