Which phrase best describes the regression model for the data? Review the table of values showing the number of days each year from 1990 to 1997 that air quality in San Diego did not meet federal air quality standards.

>>Which phrase best describes the regression model for the data?<<

A) power model; y = 41.21x–0.86

B) exponential model; y = 54.97(0.71)x

C) logarithmic model; y = 39.14 – 17.93 ln x

D) quadratic model; y = 0.60x2 – 10.38x + 46.73

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