(this is the last question and i have 4 min left, you for the ! )
find the difference.

Determine if the sequence is geometric. if it is, find the common ratio. 1) -2, 2/3, -2/9, 2/27 2) 0,2,5,9 3) 2, -10, 50, -250 4) 1,4,16,64

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?