The length of the rectangle is 9 cm. The perimeter of the rectangle is 31 cm.
(b) Work out the width of the rectangle.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?