Answer:
Step-by-step explanation:
Compare ratios and rates by finding equivalent ratios and rates with a common <em><u>second term</u></em> . Make predictions by finding a <em><u>common factor </u></em>and multiplying by it.
To compare ratios and rates favorably we need to find a common second term also to make predictions as well we need to find a common factor
I is equivalent to -1 so (-6(-1)) - (6(-1))
(6) - (-6)
12
Answer:
A. a + b = 180 is the correct option.