The lengths of the three sides are 4 centimeters, 2 centimeters, and 7 centimeters, The measures of two angles are 30º and 60° and the length of the included side is 12 inches The measures of the three angles are 45°, 75', and 60°.​

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.]