Find the product of the complex numbers. Leave answer in polar form.z1 = 6
z2 = 12
A. 18
B. 72
C. 18
D. 72
Answer: D
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (1 + 2t2)i + (2t2 - 1)j + (6 - t2)k, 1 ? t ? 3
A. 90 B. 24 C. 30 D. 72
Use the power rules to simplify the expression. Use positive exponents to write the answer.
-3
A. 
B. - 
C. 
D. - 
From the list below find the expression, identical for the given.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
A light truck with manual transmission has a circular brake drum with a diameter of 323 millimeters. Each brake pad, which presses against the drum, is 308 millimeters long. What central angle is subtended by one of the brake pads? Write your answer in both radians and in degrees. If the answer needs rounding round it to three significant digits.
?
?
?a = 308 millimeters, b = 323 millimeters
?
__________ radians
?
__________ degrees
What will be an ideal response?