Suppose that you buy an exercise ball with diameter of 85 cm and your brother buys an exercise ball with diameter of 65 cm. What is the difference between the
volume and surface area of both balls? Justify your answer and round to the nearest
hundredth *
Help me pleas

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

What is the area of the shaded sector?

In 2000 the average price of a football ticket was $48.28. during the next 4 years, the proce increased an average of 6% each year.a) write a model giving the average price (p), in dollars, of a ticket (t) in years after 2000.b) graph the model. estimate the year when the average ticket price was about $60