Simplify, leaving exponents in the answer.
A. 812
B. 
C. 816 - 84
D. 84
Answer: A
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Solve the equation after making an appropriate substitution.x + 
= 56
A. {8} B. {64} C. {49} D. {7}
Write the exponential equation as an equation involving a common logarithm or a natural logarithm.e3 = K
A. ln K = 3 B. ln 3 = K C. ln eK = 3 D. ln = 3K
Find the amount of premium retained by the company and the amount of refund to the insured using proration.Portland Appliance pays an annual fire insurance premium of $1971. Their policy was canceled after 9 months.
A. $1642.50, $328.50 B. $1478.25, $492.75 C. $1314.00, $657.00 D. $1470.75, $500.25
A diagonal brace is to be placed in the wall of a room. The height of the wall is 7 ft, and the wall is 15 ft long. What is the exact length of the brace? ?
A. 
B. 
C. 17
D. 
E. 13