If positive integer x is a multiple of 6 and positive integer y is a multiple of 14, is xy a multiple of 105 ?(1) x is a multiple of 9.(2) y is a multiple of 25.

【OG20-P278-300题】The 9 squares above are to be filled with x's and o's,with only one symbol in each square.How many of the squares will contain an x?1.More than 1/2 of the number of squares will contain an o.2.Each of the 4 corner squares will contain an x.

Laos has a land area about the same as Great Britain but only 4 million in population, where many are members of hill tribes ensconced in the virtually inaccessible mountain valleys of the north.

【OG20-P175-187题】There are 8 teams in a certain league and each team plays each of the other teams exactly once. If each game is played by 2 teams, what is the total number of games played?

Originally developed for detecting air pollutants, a technique called proton-induced X-ray emission, which can quickly analyze the chemical elements in almost any substance without destroying it, is finding uses in medicine, archaeology, and criminology.

【OG20-P425-522题】The passage suggests that Woody would have agreed with which of the following claims regarding “An Essay on Woman”?

Tom Bradley was mayor of Los Angeles from 1973 to 1993, an era when the city had transformed from a collection of suburban neighborhoods to the second-largest city in the United States.

【OG20-P171-163题】Each year for 4 years, a farmer increased the number of trees in a certain orchard by 1/4 of the number of trees in the orchard the preceding year. If all of the trees thrived and there were 6,250 trees in the orchard at the end of the 4-year period, how many trees were in the orchard at the beginning of the 4-year period?

【OG20-P796-817题】Making things even more difficult has been general market inactivity lately, if not paralysis, which has provided little in the w a y of pricing guidance.

Assume that, in the price category, a lower price constitutes a higher rating. For each of the following pairs of characteristics, select Yes if exactly one of the listed microwaves has the highest rating in both characteristics. Otherwise, select No.