5) Since 1990, fireworks usage nationwide has grown, as shown in the accompanying table, where trepresents the number of years since 1990, and prepresents the fireworks usage per year, in millions of...

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Extracted text: 5) Since 1990, fireworks usage nationwide has grown, as shown in the accompanying table, where trepresents the number of years since 1990, and prepresents the fireworks usage per year, in millions of pounds. Number of Years Since 1990 () 0 2 46 Fireworks Usage per Year, 67.6 88.8 119.0 120.1 132.5 118.3 159.2 161.6 8 9 11 7 in Millions of Pounds (p) a) Find the equation of the linear regression model for this set of data, where tis the independent variable. Round values to four decimal places. b) Using this equation, determine in what year fireworks usage would have reached 99 million pounds. C) Based on this linear model, how many millions of pounds of fireworks would be used in the year 2008? Round your answer to the nearest tenth.