Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 10 sin 2?
A. 
?
B. 25?
C. 
?
D. 50?
Answer: D
Mathematics
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Write the numeral as a Babylonian numeral.1803
A.
   ? |   |
B.
  ? |   |
C.
D.
   ? |    |
Mathematics
Find T, N, and B for the given space curve.r(t) = (2 + t)i + (6 + ln(sec t))j - 6k, -?/2 < t < ?/2
A. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j ; B = -k B. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j ; B = k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j ; B = -k D. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j ; B = k
Mathematics
Solve.The price of a printer was reduced from $400 to $300. What was the percent of decrease?
A. 75% B. 25% C. 33.3% D. 30%
Mathematics
Find the period.y = -3 cos
A. ?
B. 
C. 3
D. 
Mathematics