Solve the problem.The number of traffic accidents has been decreasing in a certain county each year. The data is shown in the table for several recent years. The set of data can be approximated with a linear equation.
Calculate the slope of the line.
A. -156
B. 88
C. -78
D. -88
Answer: C
Mathematics
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Evaluate the spherical coordinate integral.
A.
 ? |
B.
?C.
?D.
?
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Solve the inequality, then graph the solution.6 < 3z ? 18 
A. (2, 6]
B. [2, 6]
C. (2, 6)
D. [2, 6)
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Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Mathematics
Find the measure of the angle.
?BGF
A. 135° B. 150° C. 145° D. 140°
Mathematics