1 2/5m-3/5(2/3m+1)

(Here is the picture so it is more clear)
pls help

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.