1 point Let y = 3x – 15.  If x = 6, find the value of y.

1 point How many significant digits are in 70.02 m?

1 point How many hectares (ha) are contained in a rectangular field that measures 100 m by 90 m ?

1 point Change 75 mi/h to km/s.     Round your answer to the thousandth place.

1 point Convert 226,000 kg to metric tons. 

1 point A water tank has the following dimension: 8 m by 6 m by 4 m deep.  Express the volume of the tank in liters (L). 

1 point Change 70 mi/h to km/s.     Round your answer to the thousandth place.

1 point Change 6.5 km to meters (m).

1 point Change 80 mi/h to km/s.     Round your answer to the thousandth place.

1 point Find the slope of the line m passing through points (4, 3), (2, 7). [Hint: