Which of the following sets of points does NOT represent a function? (1, 7); (-4, 8); (-2, 13); (7, -12); (6, 19)
(0, 1); (1, 1); (2, 1); (3, 1); (4, 1)
(8, 7); (7, 6); (6, 5); (5, 4); (7, 6)
(5, 7); (3, 2); (8,-1); (2, 9); (-9, 12)

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

286 divided by 457.6 what is the quotient?