Provide an appropriate response.Does the associative property hold for the set of real numbers under the operation of subtraction? Support your claim with an example.
What will be an ideal response?
No; examples will vary. One example would be (2 - 3) - 5 ? 2 - (3 - 5) because -6 ? 4.
Mathematics
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Solve.x2 + y2 + 9y = 0x2 + y2 = 5x
A. (1, -1) 
B. (0,1) 
C. (0,0) 
D. (1,0) 
Mathematics
Perform the indicated operation.
A. 8x4 + 9x3 + 6
B. 8x4 + 9x + 6x2
C. 8x2 + 9x + 6
D. 4x4 + 
x3 + 3
Mathematics
Solve.Suppose that the sales of a particular brand of appliance satisfy the relationship 
where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 2700 and 3150?
A. Between 1996 and 1998 B. Between 1995 and 1998 C. Between 7 and 10 D. Between 1996 and 1999
Mathematics
Find the median of the data set.2.7, 3.7, 7.3, 4.3
A. 4.3 B. 4 C. 3.7 D. 7.3
Mathematics