Express as a single logarithm and, if possible, simplify.ln 
+ ln 
A. ln (x - 4)
B. ln (x - 2)
C. ln 
D. ln 
Answer: B
Mathematics
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Perform the indicated computation. Write the answer in scientific notation.
A. 8.1 × 10-2 B. 8.1 × 10-4 C. 8.1 × 10-5 D. 8.1 × 10-3
Mathematics
Solve the problem. Round to the nearest cent.The list price of a keyboard is $670. If the series discount offered is 10/15/5, what is the net cost after trade discounts?
A. $183.08 B. $469.00 C. $201.00 D. $486.92
Mathematics
Solve the problem.Find the dimensions of a rectangular enclosure with perimeter 40 yd and area 91 yd2.
A. 13 yd by 7 yd B. 15 yd by 6 yd C. 14 yd by 6 yd D. 16 yd by 7 yd
Mathematics
Find the foci of the ellipse.
+ 
= 1
A. (0, -20), (0, 20) B. (-20, 0), (20, 0) C. (0, -15), (0, 15) D. (-15, 0), (15, 0)
Mathematics