To use the Reuse Slides command, open the Reuse Slides ____.

Answer the following statements true (T) or false (F)

1. If b|a we say that b is a divisor of a. 2. The notation a|b is commonly used to mean b divides a. ? 3. The rules for ordinary arithmetic involving addition, subtraction, and multiplication carry over into modular arithmetic. ? 4. Two theorems that play important roles in public-key cryptography are Fermat’s theorem and Euler’s theorem. ? 5. One of the useful features of the Chinese remainder theorem is that it provides a way to manipulate potentially very large numbers mod M in terms of tuples of smaller numbers.

Case-Based Critical Thinking QuestionsCase 7-1Jill is a computer programmer who spends most of her time at her desk. Recently, she visited the doctor to get advice about persistent eyestrain and an aching back. Jill has an adjustable table/desk at her work. The optimal height is between ____ inches tall.

A. 21 and 25 B. 25 and 29 C. 29 and 33 D. 33 and 37