(2a^2+a+3)divided by (a-1)

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.