Divide.
A. 4 - 5i
B. 4 + 5i
C. 5 - 4i
D. 5 + 4i
Answer: B
Mathematics
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Which of the following is an improper form of the null and alternative hypotheses?
a. HO: ? ? ?o and HA ? < ?o b. HO: ? < ?o and HA: ? ?o c. HO: ? ? ?o and HA: ? > ?o d. HO: ?= ?o and HA: ? = ?o
Mathematics
Simplify the expression.
- 
A. 6y
B. 
C. 
D. 0
Mathematics
The graph shows the region of feasible solutions. Find the maximum or minimum value, as specified, of the objective function.objective function = 3x + y; maximum
A. 25 B. 7 C. 29 D. 39
Mathematics
Solve the formula for the specified variable.F = 
C + 32 for C
A. C = 
B. C = 
(F - 32)
C. C = 
(F - 32)
D. C = 
Mathematics