A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters.The spherical zone generated when the upper portion of the circle x2 + y2 = 121 on the interval 
is revolved about the x-axis.
A. 
? m3
B. 594? m3
C. 
m3
D. 
? m3
Answer: A
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Multiply.
A. 
B. 
C. 
D. 
Add or subtract as indicated. Write your answer in the form a + bi.(5 + 7i) - (-8 + i)
A. -13 - 6i B. -3 + 8i C. 13 + 6i D. 13 - 6i
Solve the problem.The sum of three numbers is -4. If the second number is subtracted from the sum of the first and third numbers, the result is 4. If the third number is subtracted from the sum of the first and second numbers, the result is 6. Find the three numbers.[Hint: let x represent the first number, y the second number, and z the third number. Use the given conditions to write and solve a system of equations.]
A. x = 6, y = -4, z = -6 B. x = 5, y = -4, z = -5 C. x = 3, y = -2, z = -5 D. x = 6, y = -3, z = -7
Find the domain of the logarithmic function.f(x) = log4(x + 3)2
A. (-?, 0) or (0, ?) B. (-3, ?) C. (-?, -3) or (-3, ?) D. (3, ?)