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Incorrect

Explanation

50 + 50/2 + (75 - 10) = 50 + 25 + 65 = 140

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I-16 starts in Savannah Ga., where does it end?

Columbus, Ga. Augusta, Ga. Atlanta, Ga. Macon, Georgia

NASA: Mars Colonization is No Longer a Futuristic Idea

Mars colonization may happen sooner than you might think – NASA scientists are on the verge of a breakthrough that would open an era of space colonization! NASA has developed a plan that would make it possible to restore the atmosphere of Mars.