Answer:
115
Step-by-step explanation:
The angle of a straight line is 180°. so all you have to do is subtract 65 from 180 and get 115.
Answer:
6/10
Step-by-step explanation:
i think sorry if incorrect
well, we know the "sum" of both angles is 90°, notice the rectangle in the corner, so we can say that the angles are simply complementary angles, thus

Answer:
7.22?
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
The given equation is of the 5th order. Thus, we can expect 5 solutions/zeros.