Solve.The volume of a sphere with radius r is given by the formula 
Find the volume of a sphere with radius 3 meters. Use 3.14 for the value of ? .
A. 113.04 sq m
B. 36 sq m
C. 37.68 sq m
D. 339.12 sq m
Answer: A
Mathematics
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Write the numeral as a Roman numeral.32,400
A. 
MMCD
B. 
MMCD
C. 
MMCDII
D. 
MMCD
Mathematics
Write a general term an for the sequence. Assume that n begins with 1.5, -10, 15, -20, 25, . . .
A. an = (-1)n+15n B. an = n5 C. an = (-1)n5n D. an = n + 5
Mathematics
Add the integers.10 + 11 + (-25)
A. 46 B. -26 C. 24 D. -4
Mathematics
Use Gaussian elimination and matrices to solve the system of linear equations. Write your final augmented matrix in triangular form and then solve for each variable using back substitution. x + y + z= 5 x - y + 3z=-73x + y + z=11
A. (3, -2, 4) B. (-2, 3, 4) C. (3, 4, -2) D. (-2, 4, 3)
Mathematics