13. The initial value of a particular vehicle is $20,000. After one year, the vehicle is worth $17,000. If the vehicle continues to depreciate at this exponential raſe, write a model for the projected value of the
vehicle.
A. V(t) = 17000(.85)
B. V(t) = 17000(1.15)
C. V(t) = 20000 - 30000
D. V(t) = 20000(.85)
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Solve 3x-18=2y and 5x-6y=6 by elimination show work

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