Determine weather the given segments have the same length. BC and EF

URGENT​

Find the quotient. 50a2 – 98b2 -5a +7b

Find the values of y: 3y^3(y^2+ 2/3y)=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?