3. Caloulate r and ŕ for the data set. -5 -4 -3 -2 -10 1. 4. 9. Calculate r. (Round to four decimal places as needed.) Calculate r =(Round to four decimal places as needed.)

15.) Complete the below table by determining the pattern. Then decide if the relationship is linear or exponential. Input Output 25 I 28 31 1. 2. 3. 4.

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NUMBER OF SQUARES ist 2nd 3rd Figure Number 1 2 3 4 8 10 PATTERN 1. Make a data table of the visual pattern. 2. Make a graph of the visual pattern. 3. Write an equation to represent the number of squares in the nth term of the visual pattern. Number of Squares FIGURE NUMBER

19 MA.912.AR.2.2 Write the equation of a vertical line passing through the ordered pair (-5,7.5). X÷-5

a and b please