Add or subtract the rational numbers. Express the sum or difference as a rational number in lowest terms.
- 
A. 
B. - 
C. 
D. 
Answer: C
Mathematics
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Graph the linear function using the slope and y-intercept.y = -3x - 2
A. 
B. 
C. 
D. 
Mathematics
Determine the specific solutions (if any) to the equation on the interval [0, 2?).2 cos2? + sin ? - 2 = 0
A. 0, ?, 
, 
B. 
, 
C. 
, 
D. 
, 
, 
, 
Mathematics
Solve the problem.The linear equation y = 443x + 3420 provides an approximation of the annual cost (in dollars) of health insurance for a family of three, where 
represents 2011, 
represents 2012, and so on. Write an equation that yields the same y-values when the exact year number is entered.
A. y = 443(2010 - x) + 3420 B. y = 443(2011 - x) + 3420 C. y = 443(x - 2010) + 3420 D. y = 443(x - 2011) + 3420
Mathematics
Find the functions 
?
, 
?
A. 
?, 
, 
, 
B. 
??, 
, 
, 
C. 
, 
, 
, 
?
D. 
??, 
, 
, 
E. 
?, 
, 
, 
?
Mathematics