Solve the equation.
= 
A. {1}
B. 
C. 
D. 
Answer: A
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? w = u ? (w × v)
What will be an ideal response?
Mathematics
Provide an appropriate response.
What length of bolt is needed to fasten two pieces of metal each 
in. thick if a 
in. lock washer is used and a 
in. nut is used?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Mathematics
Graph the ellipse and label the center.
+ 
= 1
A. C(0, 4)
B. C(0, -4)
C. C(-4, 0)
D. C(4, 0)
Mathematics
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 40 units? Round your answer to the nearest hundredth, if necessary.
A. $10.00 B. $0.75 C. $-5.00 D. $15.00
Mathematics