is a set containing two elements - numbers 2 and 3
is a set containing one element - a set
Answer:
19 3/4 in.
Step-by-step explanation:
Basiclly, you just need to add all of them up then divide that answer by how many numbers there are.
In triangle ABC, angle A is a right angle, and angle B= 45 degrees. (also AC is 12 ft). What is the length of BC? If your answer is not an integer, leave it in simplest rascal form.
N = -1/3 is the answer to the problem