Answer:
6
4
Step-by-step explanation:
Answer: b
Step-by-step explanation:
Answer:
B. 0.4
Step-by-step explanation:
Use the definition of the probability

You have to find the probability that a randomly selected reference book is hard cover. Hence, from the table
- Number of all possible outcomes = Number of Reference books = 25
- Number of all favorable outcomes = Number of Hardcover Reference books = 10
So, the probability is

The diameter of the circle is needed. But to solve, you would simply multiply the diameter of the circle by pi (3.14).
Answer:43 degrees
Step-by-step explanation: 47+90=137 and 180-137= 43