Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.tan 22°
A. 0.46
B. 0.01
C. -0.05
D. 0.40
Answer: D
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Use the formula for 
to evaluate the expression.
A. 360 B. 30 C. 2 D. 24
Multiply. Assume that all variables represent nonnegative real numbers.(
+ 
)(
- 
)
A. 3 + 2
B. 8
C. -2
D. 3 - 2
Answer the question.True or False: An equation of the type y = c (c is a constant) produces a line parallel to the 
A. True B. False
The bookstore at a local college is having an end-of-term sale with all electronic tablets discounted 30%. The function 
represents the relationship of the original price of the item, 
, and the price of the item on sale. The function 
describes the cost of an item including sales tax. A student is buying a tablet with an original price of $800. Find
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A. 
B. 
C. 
D. 
E. None of these