Phone Plan Costs Company A
Company B
Number of
Minutes Talked
Total Cost
(dollars)
y = 0.12x
525
78.75
630
94.50
Part A
Use the information provided to find the unit rate, in dollars per minute talked for each company. Show your work or explain how you found you answer

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