Rationalizing is just simpllifying, so the simplified value has the same value as the original expression.
In order to have the variable by itself you have to add 20 to both sides. So your answer would be a=b+20. I hope this helps love! :)
Answer:
He arrived at school at 7:50
Step-by-step explanation:
15 plus 7:35 is 7:50
The right answers would be F,B,A
