Please give real answers with explaination. I will give brainliest + 5-star rated. No Docs/No Files/No Links only answer with explaination.

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

Sole the equation 6n + 9 = -3n - 21 - 6 for n

Which of the following is not a solution to the inequality graphed below? (-2, -4)(-1, -5)(0, -3)(2, -1)which of the following is a solution to the inequality graphed below? select all that apply.(-3, -3)(-1, -1)(-3, -1)(2, 2)