Calculate: A truck whose bed is 4m long 2.5m wide and 1m high is delivering sand for a sand- sculpture competition. About how many trips must the truck make to deliver 45m³ of sand.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.