Choose the letter of the combined sentence that reads most smoothly, clearly, and logically. a. although the rain began falling, the umpires called the game. b. rain began falling, the umpires called the game. c. after the rain began falling, the umpires called the game

I believe it's C. After the rain began falling, the umpires called the game.

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

the red coloration of the lungs looks alarming and adds to the overall message that the flu is threatening apex