Two buses leave a station at the same time and travel in opposite directions. one bus travels 12 km/h slower than the other. if the two buses are 1500 kilometers apart after 6 hours, what is the rate of each bus

Pls super important solve the botton one

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What are the values of each variable in the diagram below?