Divide and simplify. Assume that all variables represent positive numbers. 
A. 
B. 
C. 
D. 
Answer: A
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Find the following.Let u = 
, v = 
, w = 
.Find u + v
A. 
B. 
C. 
D. 
Solve the problem.A company purchases a piece of equipment for A dollars, and the equipment depreciates at a rate of r each year. Its value V after n years is given by 
Expand this expression for n = 6.
A. V = A(1 + 6r + 15r2 + 20r3 + 15r4 + 6r5 + r6) B. V = A(1 - 6r + 15r2 - 20r3 + 180r4 - 720r5 + r6) C. V = A(1 - 6r + 15r2 - 20r3 + 15r4 - 6r5 + r6) D. V = A(1 + 6r + 15r2 + 20r3 + 180r4 + 720r5 + r6)
Divide.
A. 206 R1 B. 207 C. 206 D. 206 R2
Solve the system of equations.
A. x = -2 - 7z, and y = -3z -1, where z is any real number
or {(x, y, z) |x = -2 - 7z, and y = -3z -1, where z is any real number}
B. x = 2 + 7z, and y = -3z - 1, where z is any real number
or {(x, y, z) |x = 2 + 7z, and y = -3z - 1, where z is any real number}
C. x = 2 - 5z, and y = 3z - 1, where z is any real number
or {(x, y, z) |x = 2 - 5z, and y = 3z - 1, where z is any real number}
D. x = 1 - 5z, and y = 3z - 
, where z is any real number
or 