you have some marbles. when you make a shape of an equilateral triangle, you either have 5 extra, or you need 10 more to complete the shapehow many marbles do you have? how long is one side of your triangle?

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

What is the factor form of x^2-9x+14

Is a square always, sometimes, or never a parallelogram