Use the properties of inverse trigonometric functions to evaluate the expression.
?
?
A. 1
B. -1
C. 
D. 0
E. 
Answer: D
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Solve the problem. Express answers as a percent rounded to the nearest tenth. The Garden Shop had a cost of goods sold of $108,000, operating expenses of $40,000, and net sales of $210,000. Find the cost of goods sold percent of net sales and operating expenses percent of net sales.
A. cost of goods sold percent of net sales: 51.4%, operating expenses percent of net sales: 19.0% B. cost of goods sold percent of net sales: 51.4%, operating expenses percent of net sales: 32.4% C. cost of goods sold percent of net sales: 32.4%, operating expenses percent of net sales: 51.4% D. cost of goods sold percent of net sales: 19.0%, operating expenses percent of net sales: 51.4%
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. linear; positive B. quadratic; positive C. quadratic; negative D. linear; negative
Round to the nearest hundredth. 0.999
A. 0.99 B. 1.10 C. 1.09 D. 1.00
Multiply.(
- 9)(9 + 
)
A. 81 - m
B. m - 
+ 81
C. m - 81
D. m - 18
- 81