Use substitution to solve the system of linear equations. In your final answer, include all of your work. y=3x-9 x-1/3y=-3

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187