Josie calculated 1/5 + 1/2 and said the answer was 2/7 explain how do you know that josie answer does not make sense

The only way to identify an intercept is as an ordered pair. true false

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

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.