Solve the equation by expressing each side as a power of the same base and then equating exponents.729x = 81
A. 
B. 
C. {4}
D. 
Answer: A
Mathematics
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Determine whether the expression represents a number that is positive, negative, or zero.(-
A. Positive B. Zero C. Negative
Mathematics
Simplify by factoring.
A. x7
B. x9
C. x8
D. x8
Mathematics
Simplify the expression by combining like terms, if possible.3b - 8b
A. -11b B. -5b C. 5b D. -5b2
Mathematics
Write the equation of the line that passes through the point P (0,0) and is perpendicular to the line y = - 4x + 5.
a. 
b. 
c. 
d. 
e. 
Mathematics