4. A company purchases a copier for $3000 to print orders on. The material for each order costs $20. Write an
equation relating cost per order to number of orders (n).
c =20n+3000/n
Find how many orders must be printed for the average cost per order to fall to $50 (by calculator OR solve).

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

Which of the binomials below is a factor of this trinominal? x^2-13+30

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827