Provide an appropriate response.In how many ways does the golden ratio occur in a pentagram?
A. at least ten
B. five
C. eight
D. none
Answer: A
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 4 ln 
+ ln 
+ 
tan-1 
+ C
B. 5 ln 
+ 
- ln 
+ sin-1 
+ C
C. 7 ln 
+ ln 
+ 
tan-1 
+ C
D. 4 ln 
- 
+ ln 
+ 
tan-1 
+ C
Choose the most reasonable unit of measure.Car's gas tank capacity 47 
(mL, L)
A. L B. mL
Rationalize the denominator.
A. 
B. 
C. 
- 
D. 
The educational attainment of a country’s population age 25 years or older in 2007 is shown in the circle graph. Use the fact that the population of people 25 years or older was approximately 8.1 million in 2007 and let , , and . Find the probability that a person 25 years or older selected at random has earned an associate’s degree or higher.
a. 0.357
b. 0.457
c. 0.757
d. 0.657