Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log7 21 - log7 3
A. 7
B. 3
C. 21
D. 1
Answer: D
Mathematics
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Use the following pattern and inductive reasoning to predict the answer to 
.
?
9 × 1-1=89 × 21-1=1889 × 321-1=28889 × 4321-1=38888?
A. 5,888,889 B. 5,888,893 C. 5,888,883 D. 588,888 E. 5,888,888
Mathematics
Solve the equation.
x+1= 
x-1
A. 
B. 
C. 
D. 
Mathematics
Answer the question or solve the problem.Under what conditions must the inequality symbol be reversed when solving an inequality?
What will be an ideal response?
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
x3 + 
x3
Mathematics