Solve the problem.Find the center of mass of the region of constant density bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Answer: D
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Solve the problem.In Jane's math class there are 6 tests of 100 points each, 7 quizzes of 10 points each, and 13 homework assignments of 5 points each. What is the total number of possible points?
A. 735 points B. 682 points C. 635 points D. 688 points
Find the Social Security tax (6.2%), Medicare tax (1.45%), and state disability insurance deduction (1%) for the employee. Assume the employee is under the FICA and SDI maximums at the end of the current pay period and assume that 
is paid for any overtime in a 
week. Round to the nearest cent if needed. Hours Reg FICA Medicare SDIEmployee Worked Rate Tax Tax TaxWilson, M. 35.6 $7.80
A. $19.99, $6.80, $5.55 B. $3.31, $0.77, $0.53 C. $17.22, $4.03, $2.78 D. $25.82, $6.04, $4.17
Write the indicated event in set notation.Three coins are flipped and more tails are obtained than heads.
A. {ttt, tth, tht, htt} B. {tth, tht, htt} C. {ttt} D. {ttt, tth}
A circle has the area 126 
. To the nearest tenth of a centimeter, find the length of itsdiameter.
A. 6.3 cm B. 12.7 cm C. 19.0 cm D. None of These