Answer:
12.9
Step-by-step explanation:
cos 72 = 4/x
x = 4/cos72
x = 12.9
Answer:
30%
Step-by-step explanation:
the first solution -30% will be 45% and the second solution added by 30% will be 45%
21, it says it right in the name.
Answer:
(2,3)
Step-by-step explanation:
7900 79 times 100 ------------