Perform the operation and write the result in the standard form.(-6 - 3i) - (7 - i)
A. -13 - 3i
B. -13 - 2i
C. 13 + 2i
D. -13 + 2i
Answer: B
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Find the standard equation of the sphere with center C and radius r.
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Angela and Ben want to divide fairly the chocolate-strawberry cake shown below using the divider-chooser method. The total cost of the cake was $6.00. Angela values strawberry three times as much as she values chocolate, while Ben values chocolate twice as much as he values strawberry.
Angela and Ben decide to use Divider-Chooser to divide the cake fairly. If Angela is the divider, which of the divisions shown below is a possible division of the cake that Angela might make? 
A. Division 2 B. Division 1 C. Division 3 D. all of these E. none of these
Determine whether or not the function is one-to-one.f(x) = 
A. No B. Yes
Solve.The volume of a cube is given by 343 cm3. What is the area of each side of the cube?
A. 49 cm2 B. 7 cm2 C. 14 cm2 D. 45 cm2