How to do this really hard sum (y × 50 = 25)so y = what

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

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?