Perform the indicated operations. Give the answer in lowest terms.
+
- 
A.
B.
C.
D.
Answer: B
Mathematics
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Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.0.44444 . . .
A.
B.
C.
D.
Mathematics
For the curve given by r(t) = (2sint, 5t, 2cost), find the unit normal vector.
What will be an ideal response?
Mathematics
Decide if the number is rational or irrational.0.22582259. . .
A. Rational B. Irrational
Mathematics
Multiply or divide. Write the answer in lowest terms. ?
A.
B.
C.
D.
Mathematics