Describe two ways to find the maximum area for rectangles with a fixed perimeter

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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