A radio station had 250 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees. How many tickets did they give away to employees?
A. 4
B. 50
C. 5
D. 54

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.