Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, −9, 6, −3, ...

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?

Explain why the factor 1.5 is broke. into two numbers in the model.

Which graph represents the parent function of y=(x+2)(x-2)