The equation C = 30x+120 represents the cost of producing gaming chairs. The equation R = 50x represents the revenue generated by selling gaming chairs, find the company's break-even point on the gaming chairs(How many chairs must be sold for the company to break even?)

What is the base of 1/9 to the power of 2

9/10 divide by -3/15 as a mixed number

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