Plz hep this is for a grade (screenshot below)

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

8.74 rounded to the nearest whole number

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6