Cbo 2 đương thằng y = - x + 4 và y= (a - 2)x + 3 với giá trị nào của a thì 2 đ thẳng trên vuông bố vs nhau A. a = -2 B. a = -1/2 C. a = 3 D. a = 1/2

Choose the best answer.

I think you should buy _____  pack of mineral water instead. And you can also buy _____  snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______  cookies and soft candies.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.