The area a = πr2 of a circular oil spill changes with the radius. at what rate does the area change with respect to the radius when r = 3ft?

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.

Can (3,5 and square root 34) be sides on a right triangle?

Write the fraction or mixed number and the decimal shown by the model