Quarry shaped like a cone has a height of 42 ft and a diameter of 48 ft.
what is the volume of the quarry?
use 3.14 to approximate pi, and express your final answer in hundredths.
ft3

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?