Between 1930 and 2012, what was the increase of the American farmer's ability to feed people without changing the amount of land used? It increased by about 5 times

It increased by about 20 times.

It increased by about 15 times.

It increased by about 10 times.

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?

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder