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

Answer:
• General equation of a line:

- m is the slope, m = 2/5
- b is y-intercept

• Therefore, equation of line is:

Answer:
y = 15/4x - 11/4
Step-by-step explanation: