URGENT PLEASE HELP ME From the two berths of the river, two motorboats sailed towards each other at the same speed. After 3 hours they met. The boat, which was running downstream, traveled 18km more than the other boat. Calculate the rivers current speed!

Also help me, how can i calculate text problems like these in general? (linear equations)​

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

25 ! i need asap! ! ill mark brainliest!

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set