the graph shows the cost of buying concert tickets. Tell whether x and y show direct variation. if so, find and interpret the concept of proportionality, k. then write an equation and find the cost of 14 tickets.

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Express -5 2/5 as an improper fraction.