What is the sum of 3/7, 4/5, and 2/3 rounded to two decimal places

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

The area of a circle is equal to 1 dm². find the radius of the circle.