Are these two expressions equivalent? 2w+3w+2(w+5)-6w+2(9w+3)+(38-4w) and 3(5w +18)

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

Solve 17= -13 - 8x and show your work.