The box method means partial products

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show