Solve the problem.An experienced bank auditor can check a bank's deposits twice as fast as a new auditor. Working together it takes the auditors 18 hours to do the job. How long would it take the experienced auditor working alone?
A. 36 hr
B. 18 hr
C. 27 hr
D. 54 hr
Answer: C
Mathematics
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Solve the given trigonometric equation by use of a graphing calculator. Use values of x for 0 ? x < 2?.4 cos2 x - 3 = 0
A. 0.52, 3.67 B. 0.72, 5.56 C. 0.52, 2.62, 3.67, 5.76 D. 0.52, 0.72, 3.67, 5.56
Mathematics
Solve the formula for the specified letter.I = 
for r
A. r = 
B. r = 
- IR
C. r = 
D. r = 
Mathematics
Graph the solution of the system.x - y ? 2x + y ? 8
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics