Provide an appropriate response.Explain why the expressions 
and 
are opposites.
What will be an ideal response?
Their sum is zero. Another explanation is -(
) = 
= 
.
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Solve. Write the answer as a mixed number in simplest form.A pair of boards needs adjustment. One board is 49 inches and the other is 37
inches. Find how much the longer board should be shortened to make both boards the same length.
A. 12
in.
B. 5
in.
C. 86
in.
D. 11
in.
Solve the system by using the inverse of the coefficient matrix. 3x + 5y = -10-3x - 6y = 9
A. {(-5, 1)} B. {(5, -1)} C. {(-1, 5)} D. {(1, -5)}
Provide an appropriate response.Fill in the blank with "always greater than," "sometimes greater than," "always less than," or "cannot be determined," whichever response is correct. When dividing a positive fraction by 
, the answer is 
the fraction.
A. always greater than B. always less than C. sometimes greater than D. cannot be determined
Write in simplest exponent form.6 ? 6 ? 6 ? 6 ? 6 ? 6 ? x ? x
A. 66x2 B. 66x2 C. 36x2 D. 65x2