Compute the difference. Express answer in simplest form.
- 
A. 
B. 
C. - 7
D. 
Answer: B
Mathematics
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Determine if the equation is an identity.cot(x + y) = 
A. Identity B. Not an identity
Mathematics
Translate the phrase to an algebraic expression. Use "x" to represent "a number". The sum of a number and 
A. 
B. x + 
C. 
? x
D. x - 
Mathematics
Write the number in words.64,568,009
A. Sixty-four million, five hundred thousand, sixty-eight hundred, nine B. Sixty million, forty-five thousand, sixty-eight hundred and nine C. Sixty-million, five thousand sixty-eight hundred, nine D. Sixty-four million, five hundred sixty-eight thousand, nine
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find -2A + 4B.
A. 
B. 
C. 
D. 
Mathematics