Answer: c
Step-by-step explanation: 4/1 x 1/3 = 4/3
Answer:

Step-by-step explanation:
To add fractions <em>with the same denominator</em>, simply add the numerators:

So:

The answer:
First: sec(-pi) is sec(pi)
And sec(pi) is -1
Supplementary adjacent angles form a "linear pair." Together, they make a line. The angle supplementary to 85° will be slightly obtuse, just as 85° is slightly acute.
Answer:
3.9375
Step-by-step explanation: