20 points plus !

write the first 4 terms of the sequence if a(4)=36 and a(n)=1/2a(n-1)+12.

a.
36, 30, 27, 25.5
b.
120, 72, 48, 36
c.
456, 216, 96, 36
d.
36, 48, 72, 120

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

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