Which equation describes the line that passes through (2,1) and (0,-5)

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?