The number of dogs and chickens on a farm add up to 12. The number of legs between them is 30. How many dogs and how many chickens are on the farm if there are at least twice as many chickens as dogs?

Through: (-3,-3) parallel to y= 7/3x+3

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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?