The learning-curve models presented in the text examine . A. the change in variable costs when quantity discounts are available B. how setup costs decline as more workers are added C. how efficiency increases as more units are produced D. how quality increases over time

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Describe a situation that you could represent with the inequality x< 17

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