Work out the surface area of the Sphere leave your answer in terms of Pi a) radius is 5cm
b)radius is 3cm
10 points given for a right answer. thanks!

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

What is the ratio of the length of an object in yards to the length of the same object in miles?