Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Determine if the given polar coordinates represent the same point.(7, ?/4), (-7, -?/4)
A. Yes B. No
Mathematics
Solve the problem.Suppose that the velocity of a falling body is v = ks2 (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = 2ks3 B. a = 2k2s3 C. a = 2ks D. a = 2ks2
Mathematics
Calculate.24,593.16 ÷ 76.4
A. 3219 B. 321.9 C. 3.219 D. 32.19
Mathematics
Find the quotient. Write your answer in the form a + bi.
A. 
+ 
i
B. - 
- 
i
C. 
- 
i
D. 
Mathematics