Which expression is equivalent to b^-2/ab^-3? Assume a doesn’t equal 0, b doesn’t equal 0

The circumference of a circle is 5 pi cm. what is the area of the circle?

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

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?