Solve by the substitution method.x + 7y = -128x + 6y = -46
A. {(-6, 0)}
B. {(5, 0)}
C. ?
D. {(-5, -1)}
Answer: D
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Find the median.8, 4, 27, 17, 48, 44, 32
A. 17 B. 27 C. 26 D. 32
The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(3, -5)
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. x15
B. 
C. x14
D. 
Perform the indicated operations. Express the answer as a single polynomial in standard form.-11x6(10x - 4)
A. -66x6 B. -110x7 - 4 C. -110x7 + 44x6 D. -110x + 44