Provide an appropriate response.Is there an identity element for the operation of subtraction over the set of integers? Support your claim with an example.
What will be an ideal response?
Yes; examples will vary. One example would be that 0 is the identity element since 
and 
Mathematics
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Write the fraction.Of the 237 students at a university, 51 are sophomores. What fraction of the students are sophomores?
A. 
B. 
C. 
D. 
Mathematics
Identify the digit with the given place value.425.764ones
A. 20 B. 0.7 C. 6 D. 5
Mathematics
Use the given graph of f(x) = ax2 + bx + c to solve the specified inequality.f(x) < 0
A. x < 6 B. no solution C. x < 0 D. all real numbers
Mathematics
Write the equation in its equivalent logarithmic form.4-2 = 
A. log4
= -2
B. log4-2 = 
C. log- 2
= 4
D. log1/44 = -2
Mathematics