Subtract.(20a4 - 16a2) - (-8a4 - 13a2)
A. 25a6
B. 28a4 - 29a2
C. 12a4 - 29a2
D. 28a4 - 3a2
Answer: D
Mathematics
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Sketch a typical level surface for the function.f(x, y, z) = 
A. 
B. 
C. 
D. 
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From the following data, construct the type of graph indicated.A watercraft mechanic spends 20.75% of a 40-hr week working on boat hulls, 52.8% of the week on outboard engines, 16.25% of the week on steering systems, and 10.2% on electrical systems. Plot a circle graph using this information.
What will be an ideal response?
Mathematics
For a full wave rectified sine wave, find v if VPK = 62 V, f = 60 Hz, and t = 4.4 msec.
a. 0 v b. 31.0 v c. 45.6 v d. 61.8 v e. 62.0 v
Mathematics
Use the addition rule to solve the problem.Give the probability that the roll of a die will show a number less than 7.
A. 
B. 1
C. 
D. 
Mathematics