Estimate 1188+405+848 by first rounding each number to the nearest hundred

What is (28 + 7 + 6 + 3) x 1/2 show your work

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your