What values would you expect to see for the slope, intercept and R-squared if you were to add a trendline to the Tamworth electricity bill in the spreadsheet TamworthElectric. xlsx

a) What would the trendline look like on the graph in Figure 7.5?
b) Add the trendline and verify your prediction.

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second