How many solutions does 2x^2-3x+6=0 have?

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3