Sarah's exercise ball is in the shape of a sphere with a maximum circumference of
75 inches. Determine and state the volume of
the exercise ball, to the nearest tenth of a
cubic inch,

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

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans?