Convert the rectangular equation to a polar equation that expresses r in terms of ?.8x - 5y + 1 = 0
A. 8 cos ? - 5 sin ? = -1
B. r = 
C. r = 
D. 8 cos ? - 5 sin ? = 1
Answer: C
Mathematics
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Perform the operation. Write the answer as a fraction in lowest terms.4
? 2
A. 
B. 
C. 
D. 
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Evaluate.4x2 + 3y ; x = 7, y = 2
A. 790 B. 202 C. 37 D. 416
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Subtract. Simplify, if possible.
- 
A. 
B. - 
C. 
D. 0
Mathematics
Find the opposite of the polynomial.-6x3 + 5x2 + 17
A. -6x3 - 5x2 - 17 B. 6x3 - 5x2 - 17 C. 6x3 - 5x2 + 17 D. -6x3 + 5x2 + 17
Mathematics