It is possible to create a semi regular tessellation using only squares and regular hexagons?

Which equation represents the partial sum of the geometric series?

How do you use the elimination method for this question? explain, because i really want to understand!

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?