Write the quotient in the form a + bi.
A. - 
+ 
i
B. - 
+ 
i
C. 
+ 
i
D. 
+ 
i
Answer: D
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Which document was written primarily in order to help emphasize the roles of reasoning and sense-making in the curriculum?
a. Focus in High School Mathematics b. Curriculum Focal Points c. Assessment Standards for School Mathematics d. Saxon Mathematics
Provide an appropriate response.Use the strategy of writing equations to justify that if y = 2x and z = y + 5, then z is greater than x.
What will be an ideal response?
Provide an appropriate response.
A piece of round steel is milled to a point at one end. The angle formed by the point is the angle of taper. If the steel has a 22-mm diameter and a 60° angle of taper, find the length c of the taper. 
A. 19.1 mm B. 11 mm C. 22 mm D. 21 mm
High uncertainty in competitive markets
A. increases the number of alliances because uncertainty leads to synergy. B. erodes alliances because uncertainty motivates opportunistic behaviors by alliance partners. C. encourages firms to form alliances to share risks. D. makes alliances among firms less attractive because the markets' profits are meager.