Question

Expert please give me answer
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Answer 1

Answer:

read your book and examples

Step-by-step explanation:

first open your book and read the instruction and example .do it by yourself dont ask full answer

Answer 2

Step-by-step explanation:

6) 9a+5b-2c

=9(2)+5(12)-2(6)

18+60-12

6+60=66