How many ways exist to form 3 groups from 14 people if each group should contain at least 2 people?
a. 8
b. 960
c. 9
d. 132
a. 8
Mathematics
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Using Green's Theorem, calculate the area of the indicated region.The astroid r(t) = (8 cos 3t)i + (8 sin3 t)j, 0 ? t ? 2?
A. 12? B. 2? C. 48? D. 24?
Mathematics
Evaluate the derivative of the given function at the given point.y = x2 - x; (2, 2)
A. 6 B. 4 C. 3 D. 2
Mathematics
A cloth fragment is found in an ancient tomb. It contains 63% of the carbon-14 (half-life is 5700 years) that it is assumed to have had initially. How old is the cloth? ? Round your answer to the nearest hundred years. ? __________ yr
Fill in the blank(s) with the appropriate word(s).
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 129
B. 
C. 8
D. 
Mathematics