What's the answer to this?? I've tried 10 times and I can't solve it. Please help me!!

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Which of the symbols correctly relates the two numbers below check all that apply 6? 6