Find the first five terms of the geometric sequence for which a1 = 10 and r = –1.

Georgia bought a packge of of 14 dollies to use in her valentines. she used 5/7 of the package to make her in valentines. how many dollies did she have left

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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