Which of the following systems has no solution? A. 2x - 4y = 8
-2x + 4y = -8
B. 2x - 4y = 6
-3x - y = 9
C. 2x + 4y = 8
-3x - y = -9
D. 3x - 6y = 9
3y - 6x = 9

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

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

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation