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Which of these is an open sentence? a.) 18 + 2 = 20 b.) k + 2 = 14 c.) 10 - 7 = 3 d.) 19 - 0 = 19

Which of these is an open sentence? a.) 18 + 2 = 20 b.) k + 2 = 14 c.) 10 - 7 = 3 d.) 19 - 0 = 19
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3 votes
Which of these is an open sentence?

a.) 18 + 2 = 20
b.) k + 2 = 14
c.) 10 - 7 = 3
d.) 19 - 0 = 19

asked
User Murray Foxcroft
by
7.6k points

1 Answer

5 votes
b because k is not a specified number
answered
User Little Tiny Man
by
8.2k points
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