The lowest temperature ever recorded is -89* C. The highest temperature is 56.7* C. What is the difference between the highest and the lowest recorded temperatures?

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip