Evaluate the expression 3(x - 1)' + 2x - 7 for = 3,
step 1: what is the first step for evaluating this
expression?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

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?