Simplify.
A. 
B. 1
C. 
D. -1
Answer: D
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Solve the problem.A college student earned $8200 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $694 in interest at the end of the year, how much was invested at 
A. $4000 B. $4100 C. $1171 D. $4200
Using complements (with respect to 1) of the single discounts, find the net cost equivalent for the following discount.20/30
A. 0.56 B. 0.44 C. 0.5 D. 0.6
The bar graph shows the percent of income spent on leisure activities in various countries of the world. Use the graph to answer the question.
In which country is the lowest percent of income spent on leisure activities? What percent is this?
A. USA; 71.1% B. Australia; 7.7% C. China; 5.5% D. China; 94.5%
Simplify the radical. Assume that all variables represent positive numbers.
A. 
B. 
C. 
D. 