Multiply and simplify. ? 

A.
B.
C.
D.


Answer: A

Mathematics

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Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Ix about the x-axis, where r(t) = t3/2i + (8t cos t)j + (8t sin t)k,  

A. Ix = 16 B. Ix = 24 C. Ix = 32 D. Ix = 0

Mathematics

Find the indicated value of the given function.  h(x) = , h(4)

A. 0
B.
C. 15
D. Undefined

Mathematics

Simplify the expression.-6(2x - 5) - 4x + 7

A. -16x - 23 B. 8x + 37 C. -16x + 37 D. 16x + 37

Mathematics

Rationalize the denominator.

A.
B.  - 
C.
D.

Mathematics