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What is the area of triangle abc if a = 8, b = 11, and c = 15?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?