The radius of a circle is tripled.
How does the circumference change? Please answer quick

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

How does reflecting or rotating a figure change the interior angles of the figure?