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what is the correct possessive form of the bold words if they are showing joint ownership?
formed, in part, from the rio grande, the united states and mexicos border stretches 1,900 miles long.
a)united states' and mexico's
b)united states and mexico's
c)united states's and mexico's
d)united state's and mexico's

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

How many syllables does a tanka have? a. 31 b. 17 c. 14 d. 10

Which sentence is written correctly? oa. according to the weather forecast, it will be sunny all week.ob. do you know weather she will attend the show? oc. we should expect cloudy whether during the weekend.od. i like to stay at home and read a good book during rainy whether.