Find the mean. Round to the nearest tenth unless otherwise stated.Annual salaries: $31,520, $27,148, $36,298, $27,986Round to the nearest whole number.
A. $30,738
B. $31,520
C. $27,148
D. $30,737
Answer: A
Mathematics
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The following table gives coordinates of a particle moving through space along a smooth curve.
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Mathematics
Solve the equation.ln (21) - ln x = ln (x - 4)
A. x = -3
B. x = 
C. x = 7
D. x = 7, x = -3
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. x34/5
C. x22/5
D. 
Mathematics
Solve the equation.
A. 
B. 
C. 
D. 
E. no solution
Mathematics