Solve triangle, if possible. Round angles an side lengths to the nearest tenth when necessary. 
A. B = 45°, a ? 8.8, c ? 12.4
B. B = 40°, a ? 12.4, c ? 8.8
C. B = 40°, a ? 8.8, c ? 12.4
D. B = 35°, a ? 12.4, c ? 8.8
Answer: C
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Simplify by combining like terms.2a + 7 - 9ab - 4ab - 8a
A. -6a - 13ab + 7 B. -6a + 13ab + 7 C. -6a - 5ab + 7 D. 6a - 13ab + 7
Find the domain of the expression.
?
?
A. All real numbers x B. All real numbers x such that x ? -8 C. All nonnegative real numbers x such that x < -8 D. All real numbers x such that x < -8 E. All real numbers x such that x ? -8
Solve the problem.The following table shows the team payroll (in millions of dollars) of several major league baseball teams along with their winning percentages for the 1999 season. 
Determine the correlation coefficient for the team payroll and the winning percentage.
A. 0.8471 B. 0.5526 C. 0.4833 D. 0.6248
Solve for x.
= 3
A. -5 B. 9 C. 1 D. 3