The distance between two cities on a map is 4 inches. if the map scale is 1 inch : 10 miles how far apart are the actual cities? miles?

If g(x) is an odd function, which function must be an even function?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

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?