Giúp mk 12,13,14 với
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1 She is really worried that she won't pass the final exam
2 I am so pleased that my favorite team won
3 The wolf pretended to be the girl's grandma
4 You don't remember to set your alarm clock so you oversleep
5 Julia arrived at the airport late because of the traffic jam
All the paper was blown away by the wind.
Dozens of trees were destroyed by the storm.
Nancy a pay increase was offered (by them)
12: Ta có: \(\sqrt{3x+5^2}=7\)
\(\Leftrightarrow3x+25=49\)
hay x=8
13: Ta có: \(\sqrt{x^2-10x+25}=4\)
\(\Leftrightarrow\left|x-5\right|=4\)
\(\Leftrightarrow\left[{}\begin{matrix}x-5=4\\x-5=-4\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=9\\x=1\end{matrix}\right.\)
bài này dễ quá chỉ cần tìm nhân tử ở mẫu rồi phân tích ra là xong ( k) nhé










Câu 12: C
Câu 14: C
Câu 15: A
C
C
A