BRAINLIEST AND A LOT OF POINTS

plz help me

34x20x945x30

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

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start