(5+15)(5-5)
(7++5)(5-15
Are they rational ?or irrational

Volume of cylinder with a radius of 8cm and height of 25 cm

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

3/4 = c/36 i need with this fraction proble.