What is the quadratic regression equation for the data set? A.) yˆ=1.225x2−88x+1697.376

B.) yˆ=−1.225x2+88x+1697.376

C.) yˆ=−1.225x2+88x

D.) yˆ=1.225x2+88x+1697.376

x y
2 1526.28
3 1444.4
5 1288
6 1213.48
8 1071.78
10 939.88
20 427.38

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Could somebody me with this radical simplification?

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