can someone kindly help me to solve this problem?

3. Listed below are the weights (in pounds) and the highway fuel consumption (in mi/gal) of seven randomly selected cars. Weight 3175 3450 3225 3985 2440 2500 2200 Fuel consumption (mpg) 27 29 27 24 37 34 37 a. Is there a linear correlation between weight and highway fuel consumption? b. Estimate and interpret the coefficients that would satisfy the regression line c. Calculate and interpret the coefficient of determination