Which relation is not a function? A. (2, 9), (−1, −5), (1, 5), (5, 0), (12, 3) B. (−3, 1), (6, 2), (8, 3), (6, 4), (3, 5) C. (5, 1), (4, 2), (3, 3), (2, 4), (1, 5) D. (7, 2), (5, 3), (3, 4), (1, 5), (−1, 6)

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Evaluate the expression for the given value of the variable 7a - 4a for a =8