Find zw or 
as specified. Leave your answer in polar form.z = 8
w = 3
Find zw.
A. 12
B. 12
C. 24
D. 24
Answer: D
Mathematics
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Solve the problem.The volume of water added to a circular drum of radius r is given by Vw = 30t, where Vw is volume in cu ft and t is time in sec. Find the depth of water in a drum of radius 5 ft after adding water for 17 sec. (Round result to one decimal place.)
A. 13.0 ft B. 6.5 ft C. 20.4 ft D. 2.5 ft
Mathematics
Solve.2x + y = 0 x - 3y + z = 03x + y - z = 0
A. (0, 0, 0) B. (0, 0, 1) C. (1, 0, 0) D. (0, 1, 0)
Mathematics
Find the length of the unknown side of the right triangle. In each case, a and b represent the lengths of the legs and c represents the length of the hypotenuse.
a = 
, b = 
; find c
A. 25
B. 5
C. 
D. 533
Mathematics
Perform the indicated operation and, if possible, simplify.
? 
A. 
B. 
C. 
D. 
Mathematics