Simplify the complex rational expression.
A. 
B. 6x + 8y
C. 8x + 6y
D. 
Answer: C
Mathematics
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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?
Mathematics
Solve the equation.
= 9
A. 80 B. 64 C. -80 D. No solution
Mathematics
Solve by using the square root property.(3x + 2)2 = 44
A. 
B. 
C. 
D. 
Mathematics
Simplify. Completely evaluate any number with an exponent for the final answer.(-2x5)4
A. -16x20 B. 16x20 C. -2x20 D. 16x9
Mathematics