asked 137k views
3 votes
Which is not a mathematical sentence?

A. y + 4 = 20
B. 7-r212
C. 6m
D. 9 - 2 = 7

1 Answer

3 votes

Answer:

B. 7-r212

Explanation:

The coefficient should be in front of the variable.

answered
User Huacanacha
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