In the middle school debate club, 30% of the members are in sixth grade. If there are 12 sixth graders in the debate club, how many total members are there? HELPP!

What are the steps to solving the inequality 3b + 8 ≥ 14?

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

The length of the line segment ac is 8x-9 what is the value of x