Two variables are correlated with r= -0.18 Which description best describes the strength and direction of the association
between the variables?
1. weak positive
2. moderate negative
3. weak negative
4. strong negative

For the equations below which statement is true ?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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