Find the reference angle for the given angle.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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The magnitude of earthquake 1 is 4.5, and the magnitude of earthquake 2 is 6.5. How do their intensities compare? ?
A. Earthquake 1 is 100 times as intense as earthquake 2. B. Earthquake 1 is 2 times as intense as earthquake 2. C. Earthquake 2 is 2 times as intense as earthquake 1. D. Earthquake 2 is 100 times as intense as earthquake 1.
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 
A. - 
B. 
C. 
D. - 
Mathematics
Use the unit circle to find all values of ? between 0 and 2? for which 
.
What will be an ideal response?
Mathematics
Simplify. Write the answer in standard form.(4 × 10-3)(9 × 10-2)
A. 0.0000036 B. 0.000036 C. 0.00036 D. 0.0036
Mathematics