Answer: idk i wanna know the answer too
Step-by-step explanation:
-(11+sqrt(121-4*18))/2 = -(11 +sqrt(49))/2 = -9
Or
-(11-sqrt(121-4*18))/2 = -(11-sqrt(49))/2 = -2
D is the answer
Answer:
C and D
Step-by-step explanation:
Want explanation? Comment
Answer:
x=155
Step-by-step explanation:
I hope the pictures are clear and you get the concept!
Answer:

Step-by-step explanation:
<em>Look at the picture.</em>
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We have:

Therefore
<em>divide both sides by 2</em>
