Find the root if it is a real number.

A.
B.
C.
D.


Answer: D

Mathematics

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Evaluate the line integral along the curve C.ds , C is the curve r(t) = 3ti + (9 cos t)j + (9 sin t)k , 0 ? t ? ?

A.  + 
B. ?2 + 
C. ?
D. ?2 + 81

Mathematics

Write the Hindu-Arabic numeral in expanded form.208

A. (2 × 102) + (0 × 101) + (8 × 100) B. (2 × 103) + (0 × 102) + (8 × 101) C. (2 × 101) + (0 × 102) + (8 × 103) D. (2 × 100) + (0 × 101) + (8 × 102)

Mathematics

Solve the problem.Find the mass of a thin plate bounded by  if .

A.
B. 625
C.
D.

Mathematics

Round the money amount to the specified place.$99.52 to the nearest dollar

A. $100 B. $99 C. $99.52 D. $9

Mathematics