Answer:I don't know this one
Step-by-step explanation:
Let .
Simplifying both you get .
The set conjunction is .
So the answer is B.
Hope this helps.
Answer:
i think soooo
Step-by-step explanation:
Answer:
a = 33 degrees
Step-by-step explanation:
Note that 57 degrees and Angle a are complementary: they add up to 90 degrees.
Thus, a = 90 degrees less 57 degrees = 33 degrees