Provide an appropriate response.Give the number of solutions for 
> k if k < 0.
A. an infinite number
B. 2
C. 0
D. 1
Answer: A
Mathematics
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Calculate the direction of 
and the midpoint of line segment P1P2.P1(8, -6, 4) and P2(9, -7, 5)
A. 
i + 
j + 
k; 
B. 
i - 
j + 
k; 
C. 
i - 
j + 
k; 
D. 
i - 
j + 
k; 
Mathematics
Select from the list of numbers all that belong to the specified set.Irrational numbers1, 
, -7, 0, 
, 
, 
, 0.18
A. 
, 
B. 
, 
C. 
D. 
, 
, 0.18
Mathematics
Solve the problem.The perimeter of a rectangular room is 42 ft. The width is 7 ft. Find the length.
A. 15 ft B. 13 ft C. 14 ft D. 35 ft
Mathematics
Convert to rectangular coordinates. Use exact values.
?
?
A. 
B. ?
C. 
D. 
E. 
Mathematics