Solve the special system by substitution. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.

A. ?
B.
C. (0, 0)
D.


Answer: A

Mathematics

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Find the foci of the given hyperbola.y2 - 36x2 = 36

A. (0, ), (0, -)
B. (, 0), (-, 0)
C. (6, 0), (-6, 0)
D. (0, 6), (0, -6)

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Use an associative law to find an equivalent expression.8 + (s + t)

A. 8 + (t + s) B. 8(s + t) C. (s + t) + 8 D. (8 + s) + t

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Write the expression in the standard form a + bi.

A. -  + i
B. -  - i
C.  - i
D.  + i

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Find the difference.-14.9 - (-13.5)

A. 1.4 B. -1.4 C. 28.4 D. -28.4

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