Acylindrical tank is half full of oil. the cylinder has a base radius of 100cm. the height of the cylinder is 250cm. 1litre=1000cm how many litres of oil are in the tank

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000