22. A bike shop sells bikes for $155 each and scooters for $65 each. Write an equation to represent the cost of 2 scooters and x number of bikes.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible