Solve the equation and express the solution in exact form.ln x - ln (x - 4) = ln 9
A. {5}
B. ?
C. 
D. 
Answer: D
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Solve.$56,000 is borrowed to buy a house. If the simple interest rate on the 30-year loan is 6.25%, find the total amount paid on the loan.
A. $66,500.00 B. $1,050,000.00 C. $105,000.00 D. $161,000.00
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
- 
tan-1 
- 
+ C
B. ln 
- 
tan-1 
+ C
C. - 
tan-1 
- 
+ C
D. ln 
- 
+ C
Solve the problem.From a boat on the river below a dam, the angle of elevation to the top of the dam is 
If the dam is 2919 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot)?
A. 4279 ft B. 4259 ft C. 4269 ft D. 4249 ft
Round to the indicated place.A student has a test average of 76.48. Round this result to the ones place.
A. 76.4 B. 75 C. 76.5 D. 76