Some one help me? ill give 50 points

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.]

The sum of five and a number n is at least 12

Write the equation of the circle centered at (10,-2) with radius 2.