ANWER CORRECTLY AND ILL MARK YOU BRAINLIEST ( T or F ) Captain Keller tells Annie that she can stay if she completes two conditions: (1) that she treats him with more respect and not be so rude, and (2) persuade him that she can teach Helen and civilize her.

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the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.