Evaluate the function for x = 3a. f(x)=2x^2-3x 4

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.