How does a lower reserve rate affect the banks ability to generate money

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

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site