Let u represent , v represent , and w represent . Solve first for u, v, and w. Then solve the system of equations. -  +  = - 

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A.
B. (6, 7, -7)
C.
D. (6, 7, 7)

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Answer: B

Mathematics

Solve the problem.How much money should you invest now to have $5000 in 12 years if you invest the money at a rate of 1.4%, compounded semiannually?

A. $2500.00 B. $4229.24 C. $4598.50 D. $3577.30

Find the mass of the wire that lies along the curve r and has density ?.r(t) = 8i + (2 - 4t)j + 3tk, 0 ? t ? 2? ; ? = 4(1 + sin 9t)

A.  + 40? units
B.  + 40? units
C. 8? units
D. 40? units

Write the standard form of the equation of the circle.Center (9, 0), r = 10

A. x2 + (y + 9)2 = 10 B. (x - 9)2 + y2 = 100 C. (x + 9)2 + y2 = 100 D. x2 + (y - 9)2 = 10

Provide an appropriate response.Write the following in terms of ln(x + 2) and ln(x + 4): ln 

What will be an ideal response?