Bryan hiked up to the top of city creek in 3 hr and then returned down the canyon to the trailhead in another 2 hr. his speed downhill was 1 mph faster than his speed uphill. how far up the canyon did he hike?

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?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.