Use the distributive property to find an equivalent expression for 5(2x - 1).
A. 10x-5
B. 10x - 1
C. 5x
D. 10x + 5

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Your car's gasoline tank holds 18 gallons of gasoline. on a trip in canada, the tank is one-quarter full. you want to fill the tank. how many liters of gasoline are needed to fill the tank

Which situation is an example of an observational study?