Provide an appropriate response.Explain why 
and -
represent the same number.
What will be an ideal response?
Answers will vary. One possibility: 
= 
= 
? 
= -
.
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. 
= - 2; 
= 1
B. 
= 2; 
= 5
C. 
= - 2; 
= -5
D. 
= - 
; 
= 0
Mathematics
Use the Consumer Price Index below to answer the question.
Find the inflation rate from 1986 to 1987. If necessary, round values to the nearest tenth.
A. 1.0% B. 4% C. 3.6% D. 3.5%
Mathematics
Add or subtract as indicated.(21x + 10xy - 11y) - (18x - 23xy - 17y)
A. 3x + 33xy + 6y B. 11x - 3xy + 28 C. 42xy D. 3x - 33xy - 28y
Mathematics
Solve the problem.How many players are there in the weighted voting system 
?
A. 10 B. 36 C. 38 D. 9 E. none of these
Mathematics