Combine the terms in the following expressions.
a. 10x-4x

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Mr.zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years