Divide using polynomial long division (5x^3 + x^2 + x - 13) divided by (x^2 - 1)

5x - 4 + 5x-13/x^2-1

5x + 1 + 4x-14/x^2-1

5x + 6 + -3x-13/x^2-1

5x + 1 + 6x-12/x^2-1

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.