Use polynomial identities (a+b)²= a²+2ab+b² and (a-b)²=a²-2ab+b² to perform the operation 47² in two different ways​

What is a rational number between 9.5 and 9.7

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost