A.4 Simplity radical expressions SC5 Subtract. Write your answer in simplest form.
-9. 5 - 10/5

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

50 points~ ! i have to turn this in tomarrow

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?