Name the property illustrated by the sentence.9 ? x = x ? 9
A. Associative property of addition
B. Multiplicative identity property
C. Commutative property of multiplication
D. Distributive property
Answer: C
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Graph the function.y = 3 cot 
A. 
B. 
C. 
D. 
The Social Security (FICA) wage base (in thousands of dollars) from 1996 to 2001 is given in the following table:
Year199619971998199920002001Wage Base, y62.765.468.472.676.280.4?
Find an equation of the least-squares line for these data. (Let 
represent the year 1996.) Please round the coefficients in your equation to three decimal places. Use the result to estimate the FICA wage base in the year 2006. Round the answer to the nearest dollar.
?
A. ?
B. ?
C. ?
D. ?
Translate the phrase into a mathematical expression and then evaluate it.Forty divided by the quantity five minus three
A. 
; 5
B. 
; 20
C. 
- 3; 5
D. 
+ 3; 11
Complete the identity.Complete the reciprocal identity: 
= 
A. tan ? = 
B. sec ? = 
C. cos ? = 
D. csc ? = 