16 c) Find the mistakes (grammar or lexical) in each line. Robert Recorde was responsible on introducing the equals sign (=) A B C in 1557 as well as popularizing the previous existing plus (+) and A B C minus (-) symbol among English-speaking audiences. A B C

Here are the answers with mistakes underlined and corrected: 1. Robert Recorde was responsible on introducing the equals sign (=) - Corrected: for 2. in 1557 as well as popularizing the previous existing plus (+) and - Corrected: existing 3. minus (-) symbol among English-speaking audiences. - Corrected: sign