Add. Do not use a number line except as a check.-9.9 + 5.6
A. 15.5
B. -4.3
C. -15.5
D. 4.3
Answer: B
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Evaluate the integral by making a substitution and then using a table of integrals.
A. 
sin-1 
+ C
B. 
sin-1 
+ C
C. 
tan-1 
+ C
D. 
tan-1 
+ C
Write the ratio as a fraction in simplest form.26 cents to 30 cents
A. 
B. 
C. 
D. 
Graph the equation.
?
?
?
A. ?
B. ?
C. 
D. ?
Approximately 3.02 million people live in Costa Rica. 2.6 million are less than 50 years old, and 2 million are older than 14. How many people are in each of the categories 0-14 years, 15-49 years, and 50 years and older? Give your answer rounded to two decimal places if necessary. ? 0 to 14 years old: __________ million ? 15 to 49 years old: __________ million ? 50 years old and older: __________ million
What will be an ideal response?