Find the LCD for the fractions in the list.
, 
A. 8a2 + 8
B. 8a(a + 8)
C. 8a + 8
D. 8a2 + 64
Answer: B
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Provide an appropriate response. A sales clerk determined the total bill on a sale of $14 with a sales tax rate of 5%. He multiplied $14 by 1.05 and determined the answer to be $14.70. Show another method to verify this answer.
What will be an ideal response?
Solve the system of equations.
A. x = 2, y = 1, z = -3 B. x = -3, y = 2, z = 1 C. inconsistent (no solution) D. x = -3, y = 1, z = 2
Solve the problem.The decay of 416 mg of an isotope is given by 
where t is time in years since the initial amount of 416 mg was present. Find the amount left (to the nearest mg) after 60 years.
A. 402 mg B. 56 mg C. 29 mg D. 57 mg
Solve the problem.The following data represent the marital status of females 18 years and older in a certain U.S. city. 
Determine the number of females 18 years old and older who are married or widowed.
A. 431,000 B. 373,000 C. 366,000 D. 308,000