A46-foot piece of rope is cut into three pieces so that the second piece is three times as long as the first piece and the third piece is two feet more than seven times the length of the first piece. find the lengths of the pieces

Y= a(x-3)squared-1 what is the value of a

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

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample