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Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?