Which set of points does not represent a function?
(1, 2), (2, 2), (3, 2), (4, 2), (5, 2)
(1, -1), (2, 2), (3, -3), (4, 4), (5, -5)
(-2, 2), (-1, 1), (0, 0), (1, -1), (2, -2)
(1, 2), (1, 3), (1, 4), (1, 5), (1, 6)

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio