This is algebra. I don't understand it. Can someone please help me?

The following is data for the first and second Quiz scores for 8 students in a class. First Quiz Second Quiz 12 12 16 13 21 15 22 19 35 29 38 30 43 37 45 46 Plot the points in the grid below, then sketch a line that best fits the data. 45 40 35 30 25 20 15 10 5 5 10 15 20 25 30 35 40 45 5( Clear All Draw:VO. Question Help: Video Message instructor Submit Question Jump to AnswerRun a Linear Regression Analysis on the data table to the right. Use that information to answer the following questions. Note: Write each answer as an equation. Round all values to 3 decimal places. X y Write the Linear Equation that models this data: 71.4 5.9 59.8 28.9 83.4 16.3 49 53.8 Use this equation to predict y when x = 85: 51.9 41.7 49.1 46.2 48.5 38.3 Question Help: Video Message instructor Submit Question Jump to