Two cars start driving in the same direction from the same place. if one travels 52 mph and the other 59 mph how long will it take them to be 49 miles apart

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

Which expression will have the same sum as 3_8 + 1/4?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?