Simplify.

A.
B. 1
C.
D. -1


Answer: D

Mathematics

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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

Mathematics

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

Mathematics

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%

Mathematics

Simplify the radical. Assume that all variables represent positive numbers.

A.
B.
C.
D.

Mathematics