Each song that tara downloads costs $1.25 she graphs the relationship that gives the cost y in dollars of x name one ordered

Solve for x, y, and z. show all steps.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?