Evaluate the expression.(-2)-4
A. 
B. 16
C. -16
D. - 
Answer: A
Mathematics
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Provide an appropriate response.Which of the following integrals, if any, calculates the area of the shaded region?
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Integrate the function.
dt
A. - 
+ C
B. 
+ C
C. - 
+ sin-1 9t + C
D. - 
+ C
Mathematics
Solve the system.
A. x = 4, y = 1, z = 2 B. x = 4, y = 2, z = 1 C. x = 1, y = 2, z = 4 D. x = 1, y = 4, z = 2
Mathematics
Solve. Round to the nearest tenth, if necessary.A company increased the number of its employees from 160 to 170. What was the percent increase in employees?
A. 6.3% B. 5.9% C. 51.5% D. 94.1%
Mathematics