Amanda borrowed money from her dad. She has started to pay back her loan, without interest. The amount of the loan she has remaining after each month is represented on the graph below. Write the equation of the graph.

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?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?