Completely factor the polynomial or state that the polynomial is prime.20x2 + 23x + 6
A. (4x - 3)(5x - 2)
B. (20x + 3)(x + 2)
C. prime
D. (4x + 3)(5x + 2)
Answer: D
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Solve the exponential equation. Round to three decimal places when necessary.e-0.16t = 0.25
A. -7.636 B. -11.254 C. 8.664 D. 7.048
Solve the problem.Find the centroid of the rectangular solid defined by 
, 
, 
.
A. 
= 
,
= 
, 
= 2
B. 
= 5, 
= 9, 
= 4
C. 
= 
, 
= 3, 
= 
D. 
= 
, 
= 
, 
= 1
Solve.The formula C = 
(F - 32) expresses the relationship between Fahrenheit temperature, F, and Celsius temperature, C. Use the formula to convert 
to it equivalent temperature on the Celsius scale, rounded to the nearest degree.
A. 10°C B. -4°C C. 32°C D. 28°C
Solve the problem.The rates of death (in number of deaths per 100,000 population) for 1-4 year olds in the United States between 1980-1995 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 822.99 - 167.55 ln x where x represents the number of years since 1900. Use this equation to predict the rate of death for 1-4 year olds in 2005.
What will be an ideal response?