Help me? pls. :)

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Need asap. solve for the following inequality

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]