Hi Mary,
No good news I'm afraid, neither your iMac nor your Macbook Pro are suitable for Resolve.
These are the Mac computers that Resolve will run on:
Apple Mac Pro (Mid 2012), Intel 12-Core
http://www.apple.com/macpro/specs.htmlApple MacBook Pro (15-inch Hi-Res Widescreen, Early 2011), Intel Core i7
http://www.apple.com/macbookpro/specs.htmlApple MacBook Pro (15" Retina display, Mid 2012), Intel Core i7
http://www.apple.com/macbookpro/specs.htmlApple MacBook Pro (17-inch, Early 2011), Intel Core i7
http://www.apple.com/macbookpro/specs-17inch.htmlApple iMac (21.5-inch, Mid 2011), Intel Core i5
http://www.apple.com/imac/specs.htmlApple iMac (21.5-inch, Mid 2011), Intel Core i7
http://www.apple.com/imac/specs.htmlApple iMac (27-inch, Mid 2011), Intel Core i5
http://www.apple.com/imac/specs.htmlApple iMac (27-inch, Mid 2011), Intel Core i7
http://www.apple.com/imac/specs.html