The exact area of a hub cap on a tire is
cm². What is the hub cap's radius?​

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.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Find the domain of the following expression: 1/(√x)-2