Solve the problem by integration.Find the moment of inertia with respect to the y-axis of the first-quadrant area bounded by 
and the axes, where k is the mass per unit area.
A. 
B. 
C. k
D. 
Answer: B
Mathematics
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Write the ratio as a fraction in simplest form. ? 2 to 32 ?
A.
B.
C.
D.
E.
Mathematics
Solve the problem.A plane flies 440 miles with the wind and 330 miles against the wind in the same length of time. If the speed of the wind is 22 mph, what is the speed of the plane in still air?
A. 179 mph B. 154 mph C. 159 mph D. 144 mph
Mathematics
Find the indicated term of the geometric sequence.a6 when a1 = 
and r = 3.
A. 
B. 
C. 
D. 
Mathematics
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions.
A. (7.9, 7.95) B. (-7.9, 7.95) C. infinite number of solutions D. no solution
Mathematics