Two trains leave stations 360 miles apart at the same time and travel toward each other. one train travels at 70 miles per hour while the other travels at 80 miles per hour. how long will it take for the two trains to meet?

41/17 as a decimal rounded to the nearest hundredth

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.