What is the solution to this system of equations? A. P.E. X btw A) (4, -2)
B) (-2, 4)
C) (-1, 2)
D) (2, -1 )

If f(x)= 3x+6 which of the following is the inverse of f(x)

Need on this one asap im almost done with this subject

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?