Classify the equation as a contradiction, an identity, or a conditional equation.2(2f + 20) = 4f + 40
A. Conditional
B. Identity
C. Contradiction
Answer: B
Mathematics
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Evaluate the logarithm without the use of a calculator.log7 
A. -49 B. 49 C. -3 D. 3
Mathematics
Evaluate the determinant.
A. -210 B. -30 C. 294 D. 30
Mathematics
Simplify the radical.
A. 1
B. 3
C. 2
D. 8
Mathematics
Simplify the expression.2(-3)2 - 20
A. 2 B. -2 C. -38 D. -26
Mathematics