A museum has a collection of 22 antique tools. How many ways can four be selected for display?
What will be an ideal response?
7315
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For the pair of functions, perform the indicated operation.f(x) = 3x + 8, g(x) = 4x + 6
Find (f ? g)(x).
A. 12x2 + 50x + 48 B. 7x2 + 50x + 14 C. 12x2 + 48 D. 12x2 + 38x + 48
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 12 hours to do the job. How long would it take the experienced auditor working alone?
A. 24 hr B. 18 hr C. 36 hr D. 12 hr
Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation 
where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 2 years after it was purchased. 
A. $900 B. $760 C. $600 D. $700
Convert the improper fraction to a mixed number.
A. 181
B. 
C. 181
D. 20