Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(5, -2)}
B. {(-6, -2)}
C. no solution; ?
D. {(-5, -3)}
Answer: D
Mathematics
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Write sigma notation.5 + 6 + 7 + 8 + 9
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Solve the following absolute value inequality: 
< 3
Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate the function.h(x) = x2 - 3x + 1; h(-2)
A. -3 B. -1 C. 9 D. 11
Mathematics
Solve.
= 
A. {2, -6} B. {0, -6} C. ? D. {0, 36}
Mathematics