Answer:
5
Step-by-step explanation:
2+4+6+8 = 20
20 / 4 = 5
Rick started his coffee break at 9:40 am.
<h2>Answer:
81
Step-by-step explanation:
The median of data not grouped is the middle number after arranging the data is either ASCENDING OR DESCENDING order. Arranging these states HIGH TEMPERATURES in ascending order, we have:
72, 78, 79, 81, 81, 82, 84, 88, 88
The middle number there is 81 </h2>
Answer: 40 books
Step-by-step explanation: 20%=8 Books
100 divided by 20 = 5
8 x 5 = 40
Answer:

Step-by-step explanation:
Given,
Art electives = 3,
History electives = 4,
Computer electives = 5,
Total number of electives = 3 + 4 + 5 = 12,
Since, if a student chooses an art elective and a history elective,
So, the total combination of choosing an art elective and a history elective = 
Also, the total combination of choosing any 2 subjects out of 12 subjects = 
Hence, the probability that a student chooses an art elective and a history elective = 

Which is the required expression.