An oil company fills 1 over 10 of a tank in 1 over 5 hour. at this rate, which expression can be used to determine how long it will take for the tank to fill completely? a. 1 over 5 ⋅ 10 hours b. 1 over 10 ⋅ 5 hours c. 1 over 5 ⋅ 1 over 10 hour d. 5 ⋅ 10 hours

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

F(x)=5/6x+3 which of the following is true