Clear fractions then solve by substitution.
+ 
= 4
- 2y = 21
A. {(6, -8)}
B. ?
C. 
D. {(-6, 8)}
Answer: A
Mathematics
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Solve the system by any method.
A. (-3, 6) B. (-2, 6) C. ? D. (-2, 5)
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Rewrite with positive exponents, and simplify, if possible.p-9/10
A. 
B. p10/9
C. - 
D. - p9/10
Mathematics
Find all rational zeros.f(x) = x3 - 5x2 + 2x + 8
A. {2, 4, -1} B. {-2, -4, 1} C. {-3, -5, 1} D. {3, 5, -1}
Mathematics