A steel ornament has a mass of 0.0785 kg and changes from a temperature of 15.0∘∘C to 32.3∘∘C. How much heat energy did it gain? The specific heat of this type of steel is 470 J/kg∘∘C.​

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

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

Is there an x intercept in the equation 60*1.15^x