Is this biased or unbiased and explain? ( q: are you willing to deal with noisy, heavy increases in traffic where you live just so another unnecessary mall can be built? )

Which of those sequences is a geometric sequence

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books