Find the polar coordinates, 
and 
, of the point given in Cartesian coordinates.(0, -2)
A. 
B. 
C. (2, ?)
D. (2, 0)
Answer: B
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.
t =1 if r = 
A. 
= - 
; 
t =1
= - 
B. 
= 
; 
t =1
= 
C. 
= - 
; 
t =1
= - 
D. 
= 
; 
t =1
= 
Mathematics
Simplify.240 ÷ 5 - 4
A. 231 B. 239 C. 44 D. 240
Mathematics
Using the Superposition Theorem, find IR3 and VR3 .
E1 = 9.0 V
E2 = 12.0 V
R1 = 3 Kê
R2 = 1 Kê
R3 = 5 Kê
Mathematics
Compute the extension totals and the invoice total.
A. 
B. 
C. 
D. 
Mathematics