The tickets to a ballet cost either $25 or $50. a total of 1,250 tickets, worth $50,000, were sold. if x represents the number of $25 tickets and y represents the number of $50 tickets, which system of linear equations can be used to find the number of each type of ticket sold?

We just started the introduction into circles and i have no idea how to do this.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

In 2000, for a certain region, 27.1% of incoming college freshman characterized their political views as liberal, 23.1% as moderate, and 49.8% as conservative. for this year, a random sample of 400 incoming college freshman yielded the frequency distribution for political views shown below. a. determine the mode of the data. b. decide whether it would be appropriate to use either the mean or the median as a measure of center. explain your answer. political view frequency liberal 118 moderate 98 conservative 184 a. choose the correct answer below. select all that apply. a. the mode is moderate. b. the mode is liberal. c. the mode is conservative. d. there is no mode.