Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 
C. 
D. 
Answer: C
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Use logax = (ln x)/(ln a) to calculate the logarithm. Round to the nearest ten thousandth.log3 0.154
A. -1.7029 B. -0.5872 C. 19.4805 D. -0.8125
Solve the problem. Round to the nearest cent.On January 1, the unpaid balance in an account was $150. A payment of 
was made on January 21. The finance charge rate was 
per month of the average daily balance. Find the finance charge for the month of January.
A. $1.10 B. $2.60 C. $1.36 D. $1.50
Solve the problem.The current in the circuit is 9.55 mA. Determine the phase angle for the combination of the capacitor, resistor, and inductor. XC = 1550 ? R = 1700 ? XL = 2200 ? 
?? I
A. ? = -17.88° B. ? = 0.37° C. ? = 20.92° D. ? = 65.61°
Find dy for the given values of x and ?x.y = 
; x = 10, ?x = -0.003
A. 0.03 B. 0.003 C. 0.0003 D. 0.00003