Ex1: 
1. grows
2. keeps
3. invites
4. feed
5. cleans
6. take
7. opens
8. often send
 

6. is taking
7. coming
8. smell
9. is going to rain

1. 
=-4+7-10
=-7

2. 25+13-6
=32

2^x+4=2⁷
=>x+4=7
x=3

12.B
13.C
14.A
16.D
17.C
18.D
19.A

1. cousin
2. mother
3. dream
4. ugly
5. before
6. read
7. yellow
8. slow
9. rain
10. letter

=>(5x-1)²-(3-4x)²=0
=>(5x-1-3+4x)(5x-1+3-4x)=0
=>(9x-4)(x+2)=0
=>\(\left\{{}\begin{matrix}9x-4=0\\x+2=0\end{matrix}\right.\)
\(\left\{{}\begin{matrix}x=\dfrac{4}{9}\\x=-2\end{matrix}\right.\)

a

It will start at 5 in the evening and finish at 9

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