Answer:
59°
Step-by-step explanation:
31°-90°=59°
F hahahahah jewish usually xD
We'll use the notation
for the principal value and
for all the values:

Part I


Part II. In our range we can write


Part III.

Part IV.


The first one is incorrect. i’d pick that one.
The answer is 84 because of process priority
Answer:
7×17/49
Step-by-step explanation:
90/7 × 4/7
90×4 / 7×7
360/49
7 17/49