You would do parentheses first and that answer you will x 7

therefore, the actual distance is 280 miles.
(sorry, idk the rule for it)
Step-by-step explanation:
EF is a segment so it's a line with the end points as E and F. Line RS bisects(cuts in half) line EF. Then where the two lines meet is where A is.
Hope this helped.
Answer:
3 batches
Step-by-step explanation: