Add or subtract.
- 
A. 
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.Rationalize the numerator and simplify: 
A. 
B. 
C. 
D. 2
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.ex = 156
A. x = log3156 B. x = 156e C. x = ln 156 D. x = log 156
Solve the problem.Jane Hightone sells CDs for $9.75 each. Her initial cost to set up the business was $9500, and each CD costs her $4.75. Express the revenue R as a function of x, where x represents the number of CDs sold.
A. R(x) = 4.75x B. R(x) = 4.75x + 9500 C. R(x) = 14.5x D. R(x) = 9.75x
Translate to a system of three equations, then solve.Michael's bank contains only nickels, dimes, and quarters. There are 49 coins in all, valued at $3.85. The number of nickels is 3 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 36 B. 13 C. 5 D. 8