Solve the equation.
- 
= 
A. {55}
B. {-11}
C. {11}
D. {
}
Answer: C
Mathematics
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Solve the linear inequality. Express the solution using set-builder notation and interval notation. Graph the solution set.
- 
x < -2
A. 
; 
B. 
; 
C. 
; 
D. 
; 
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Use the substitution formula to evaluate the integral.
A. 9 cos-1 
B. 
sin-1 
C. sin-1 
D. cos-1 
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Solve the problem.In order for a chemical reaction to take place, the Fahrenheit temperature of the reagents must be at least 
. Find the Celsius temperatures at which the reaction may occur. 
A. C < 244.71? B. C ? 47.88? C. C ? 47.88? D. C ? 244.71?
Mathematics
Find the volume.Find the volume of the right circular cone pictured below. Use 3.14 for ?. Round to the nearest whole number.
A. 54,159 m3 B. 127,660 m3 C. 1934 m3 D. 162,476 m3
Mathematics