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Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?
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How many ordered pairs of positive integers satisfy xy=32?
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The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?
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Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)
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Sec^2(pi/2 - x) [sin^2(x) β sin^4(x)]...
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