Assume straight-line
an antique clock is expected to be worth $475 after 3 years and $870 after 6 years. what will the clock be worth after 9 years?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

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

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section