Classify the equation as a contradiction, an identity, or a conditional equation.2(5g + 9) - 10g - 18 = 0
A. Contradiction
B. Conditional
C. Identity
Answer: C
Mathematics
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Insert < or > to write a true statement.
A. 
< 
B. 
> 
Mathematics
Perform the operation in expanded notation. Write answer in simplified form.814 + 308
A. 1122 B. 7634 C. 1142 D. 1132
Mathematics
Multiply.
A. 9 - 4z - 
z2
B. 9 - 
z2
C. 9 - 
z2
D. 9 + 4z - 
z2
Mathematics
Solve the problem.Median family income in Country X between 1990 and 1999 can be modeled by 
where x is the year. Determine symbolically when the median income was $42,754.
A. x ? 1994 B. x ? 1996 C. x ? 1998
Mathematics