Which of the following are mathematical sentences?Check all that apply A. 8r = 12 B. 34 C. r + 7 = 4D. 4xE. x = 1F. 5g = 9

Answer :

A mathematical sentence is a sentence that can be identified as either true or false or it is a sentence that states a complete thought.

Hence, A, C, E, and F are mathematical sentences because they contain the equals sign while B and D, are not mathematical sentences.