Type the correct answer in each box. Number of Cars Red Car Green Car 0 0.43 0.45 1 0.31 0.17 2 0.14 0.22 3 0.10 0.07 4 0.02 0.09 The table shows the probability distribution of Pamela seeing red cars and green cars on her way to office. Pamela can expect to see red cars and green cars on her way to office.

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6