Determine if the given polar coordinates represent the same point.(7, ?/4), (-7, -?/4)
A. Yes
B. No
Answer: B
Mathematics
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Multiply using the rule for the product of the sum and difference of two terms. Assume any variable exponents represent whole numbers.(x - y + 4)(x - y - 4)
A. x2 + y2 - 16 B. x2 - 8y + y2 - 16 C. x2 - 2xy + y2 - 8x + 8y - 16 D. x2 - 2xy + y2 - 16
Mathematics
Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Mathematics
If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.3, 
, 
, 
, 
, . . .
A. 4
B. 10
C. 
D. 
Mathematics
Perform the operation indicated.
? 
A. 
B. - 
C. 
D. - 
Mathematics