In 13 and 14, consider the system -10x + 4y = -9
-5x + 2y=k
13. For what value(s) of k will the system have infinitely many solutions?
14. For what value(s) of k will the system be inconsistent?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96