Math i will give yo brainlest i did this two time and this is the last if i don't get a good grade i will fail .a. investigate the weather forecast in your city. record the high and low temperatures that are forecast for the next 7 days in the table below. in the columns titled, difference," record the change in temperature from the day before. to do this, subtract the previous temperature from the current temperature. be sure to use positive and negative numbers as needed! for example, if yesterday’s temperature was 70 and today’s temperature was 65, the difference is 65 – 70 = -5. here's an example: note: the columns for day one's subtraction and difference cannot be filled in. as this is the first data point, there is no previous temperature to subtract.