Solve the problem.The 100th term in the arithmetic sequence 3, 7, 11, 15, . . . is
A. 407.
B. 103.
C. 399.
D. 403.
E. none of these
Answer: C
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Provide an appropriate response.The sphere x2 + y2 + z2 = 9 has constant area density 3. Find the moment of inertia about a tangent line (assume the Parallel Axis Theorem).
A. 
?
B. 1620?
C. 324?
D. 648?
Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log17
A. 
log17mn - 
log178
B. 
log17m + 
log17n - log178
C. 
log17m ? 
log17n ÷ 
log178
D. 
log17m + 
log17n - 
log178
Use the quadratic formula to solve the quadratic equation.y2 - 44 = 7y
A. -11, 1 B. -11, 4 C. 11, -4 D. 11, 4
Solve the problem.The velocity v of a meteorite approaching the earth is given by 
kilometers per second, where d is the meteorite's distance from the center of the earth and k is a constant. What is the velocity of a meteorite that is 2000 kilometers away from the center of the earth, if 
Give your answer as a simplified radical.
A. 3000
kilometers per second
B. 
kilometers per second
C. 
kilometers per second
D. 
kilometers per second