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A) How long is the jumper in free fall if the parachute opens at 1000 feet? B) How long is the jumper in free fall if the parachute opens at 940 feet?

speed of the current on a river is 4 miles per hour . a boat 10 miles downstream(with the current) in this river in the same time that it travels 2 miles upstream (against the current ). Find the...

When Batman Began his pursuit, The Joker was already 60 miles ahead. if The Joker travels at 40 mph and Batman travels at 60 mph, how many hours will it take Batman to catch up with The Joker?

the tuition at a local community college was \$2005 in 1995 and \$2587 in 1997. Find the rate at which the tuition was increasing.    Between 1995 and 1997, tuition increased at a...

Charlie Brown left at 8a.m. and will arrive at 1p.m; Linus left at 8a.m. and will arrive at 2p.m. How many miles s the trip if Charlie Brown is traveling 10 miles per hours slower than Linus?

Twilight Sparkle lefter her home heading east and Apple Jack left two hours later heading west at a rate of 5 mph faster than twilight Sparkle. Six hours later after Twilight Sparkle left, she and...