Consider the expression 4x + y + 6z + 12.
what are the coefficients?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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?