Which of the following equations represents a line that is perpendicular to the line represented by x+2y=6 and passes through the point (3,−4)?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

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