He cost of DVD players has dropped by $20 each year. If a DVD player cost $189 four years ago, how much does it cost today?

Which statements are true? Check all that apply. A random group of high school and college students were asked if they study with or without listening to music. The frequency table below shows the results of the poll.

What is the interquartile range of 10, 3, 8, 6, 9, 12, 13

Which is a solution to the equation 5x - y = - 3? A. (-2, 7) B. (2, - 7) C. (-2, - 7) D. (1, 2)

Solve for x. 3x-r=r (-3+x)

A rectangular board is 1.6 meters long and 1.2 meters wide. What is the area of the board in square millimeters? Do not round your answer. Be sure to include the correct unit in your answer.

Which expression is equalent to r^9/r^3

What is the equation of the described circle? A) (x - 2) 2 + (y + 3) 2 = 58 B) (x - 2) 2 + (y + 3) 2 = 68 Eliminate C) (x + 2) 2 + (y - 3) 2 = 58 D) (x + 2) 2 + (y - 3) 2 = 68

The difference between the squares of two consecutive numbers is 23. what are the two numbers?

Find the perimeter of a rectangle that is 2 and 1/2 yards by 4 and 1/2 yards

A theater seats 496 people. Of all 8 performances to a play sell out, how many people will see the play?