#### Answer

$0$;
$y=3$

#### Work Step by Step

RECALL:
(1) The slope of a horizontal line is $0$.
(2) The equation of a horizontal line is $y=k$.
Thus, the missing expressions in the given statements (in order) are:
$0$;
$y=3$

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

$0$;
$y=3$

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