Ответы на вопрос:
1/ how many children does piter have?
2/ what am i readng at the moment?
3/ where did they go on holiday last year ?
4/ which shop does she work in?
5/ why did i get up early this morning?
6/ when does the supermarket close?
7/ how often do i g swimming?
8/ whose car did i borrow?
ответ:В
Объяснение:
2x-5y=9
(-2;1) 2*(-2)-5*1=9 -4-5=9 -9=9 (-)
(2;-1) 2*2-5*(-1)=9 4+5=9 9=9 (+)
(3;-4) 2*3-5*(-4)=9 6+20=9 26=9 (-)
(-3;4) 2*(-3)-5*4=9 -6-20=9 -26=9 (-)
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