Based on the clue 'agatha christie mystery in which an heiress is mur...', what is the answer?

What is associated with: agassi won the 1995 australian open by beating him andres co star in nikes guerrilla tennis ad… Based on the clue 'agate with bands of white brown black or red is o...', what is the answer? Based on the clue 'agatha christie death on the nile thomas mann dea...', what is the answer? Based on the clue 'agatha christie called a man in this job the best ...', what is the answer? What is associated with: agatha christie set hercule poirot afloat on a boat called the karnak in this exotic 1937 nove… What is associated with: agatha christie was staying in aswan when she wrote this 1937 mystery about a young womans mur… Based on the clue 'agatha christie wrote i believe a speck of dust wo...', what is the answer? Based on the clue 'agatha christies mysteries solved by this detectiv...', what is the answer?