Find the missing angle in a triangle with the given sides.

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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.]

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points