Answer:
D
Explanation: All triangles must equal to 180, so we can say that st=ut and that will give us 60 all we have to do now is add 120.
2x2 + 8x - 12 = 0
4 + 8x - 12 = 0
8x = 12 - 4
8x = 8
x = 1
Answer:
The second one
Step-by-step explanation:
She started with x dollars and then used 8 dollars to buy a football game ticket, so x-8. Then, she is left with 56 dollars, so x-8=56. Therefore, the second story represents the equation.
I have attached an image of the process I used
