Please help. Ralph and Joe leave school walking in opposite directions. Ralph walks 1 km per hour faster than Joe. after 2 hours they are 30 km apart. what is the rate of each

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

step by step explanation: when u removing the parentheses and combined them that would be : x+3y-x-y=2y

l' jhl jje f id bid b e iueb v jhdvb vh ei uf djbduv evb                                                                                                                                   8gfdgsfhjk.,l/ uh   dv eb b