Explanation/Answers:
Q1: Do you know where there is a good restaurant?
Q2: There aren't any around here.
Q3: Do you want to eat?
Q4: No thank you. I don't want anything.
Q5: And I don't want to eat.
Q6: Mr. Sanchez is Peru-Bolivian.
Q7: Carlos wakes up early because he never goes to sleep after 10pm.
Q8: There isn't a student that wants to write five report (papers) in a week.
Q9: Lourdes likes the white wine, and I like it as well.
Q10: Did you not see any of your sisters yesterday?
Answer:
S7=49
7/2(2a+6d)=49
2a+6d=49×2/7
2a+6d=14
2a=14-6d
a=7-3d........1
S17=289
17/2×(2a+16d)=289
2a+16d=289×2/17
2a+16d=34
a+8d=17
substituting value of a
7-3d+8d=17
5d=17-7
d=10/5=2
substituting value of d in equation 1
a=7-3×2=1
<h3>
now</h3>
S20=20/2(2a+19d)=10(2×1+19×2)=10(40)
=40×10=400
Number 9 is asking what do you work on.Number 10 is asking what is the purpose of the trip
1)está 2) es 3) está 4) estás 5) es 6) está
