What statements are true about f(x)=49(1/7)

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

What is the relationship between all triangles that can be drawn given the same three angles

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?