ta có (x-1);1 +1=1989

       x-1=1988

         x=1989

tick nha nhanh nhất nè Jenny123

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Water always boils when you heat it long enough.

A. If heated long enough, water boils.

B. If water is heated long enough, it boils.

C. If you heat water long enough, it boils.

D. All are correct.

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

A. adventure

B. advantage

C. advertise

D. adverbial