19th term of an ap is equal to 3 times the 6th term, 9th term of an ap is 19 find the AP​

F(x) = (x^2 + 3x − 4) and g (x) = (x+4) find f/g and state the domain.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

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?