A because it gives historical details
157.1 cm ^2 , because the small shaded semicircle equals the other small unshaded semicircle. So it’s the area of half the circle.
It depends,
-during timed tests, such as the SAT or ACT, one does need to remember the passages and information given to answer the questions with deliberate speed to finish on time
-regarding schoolwork, it’s better to read it over twice or thrice just to understand the question and to develop an answer that would best fit it.
Answer:
prevents unauthorized government access to private electronic communications
