Use the Gauss-Jordan method to solve the system of equations. x + y - 2z = 83x + z = - 62x - y + 3z = -14
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the area of the shaded region. f(x) = -x3 + x2 + 16x
A. 
B. - 
C. 
D. 
Mathematics
Find the area of the figure.24 ft
43 ft
A. 1697 ft2 B. 2193 ft2 C. 4154 ft2 D. 1433 ft2
Mathematics
Use the quotient rule to simplify the expression.
A. 100x3
B. 
C. 5
D. 2
Mathematics
Solve the problem.The volume of a sphere is a function of its radius, r, where V(r) = 
?r3. Find the volume of a sphere if its radius is 6 inches. Use 3.14 as an approximation to the value of ?. Round to the nearest tenth if necessary.
A. 150.7 in.3 B. 508.7 in.3 C. 113 in.3 D. 904.3 in.3
Mathematics