V=pier^2h solve for pie

Do 12/14 and 8/10 have the same value? explain your answer.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?