Situation: Find the age of the bird skeleton to the nearest year. A geologist in South America discovers a bird skeleton that contains 61% of its original amount of C-14. Enter the correct answer. N= Noe DONE No = inital amount of C-14 (at time t=0) 12 N = amount of C-14 at time t K = 0.0001 t = time, in years Find the age of the bird skeleton to the nearest year
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4. find the geometric mean of 4 and 12. 24 8

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?

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