Find the quotient and remainder of (2x^3-x+1) if divided by (x+5)

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Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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