Answer:
12.9
Step-by-step explanation:
cos 72 = 4/x
x = 4/cos72
x = 12.9
Answer:
7/36
Step-by-step explanation:
find the LCD write all the numerators above the least common denominator
LCD is 36
4 +3 /36 =7/36
A 90 degree counter clockwise rotation
Answer:
Step-by-step explanation:

School band played for 4 hours.
The answer I think 174 degrees.