David hikes 2 1⁄4 miles in 1/2 an hour. At this rate, how long will it take him to walk 18 miles?

Give me the equations of two lines that have the same slope but are not parallel.

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

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