Find an equation of the line with slope m that passes through the given point. Put the answer in slope-intercept form.(0, 4), m = - 
A. y = - 
x - 4
B. y = - 
x + 4
C. y = 
x - 4
D. y = 
x + 4
Answer: B
Mathematics
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A. 1.30 B. 1.57 C. 0.27 D. 1.44
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Solve the problem.Suppose that the amount in grams of a radioactive substance present at time t (in years) is given by A(t) = 250e-0.88t. Find the rate of change of the quantity present at the time when 
A. 80.4 grams per year B. -80.4 grams per year C. -2.7 grams per year D. 2.7 grams per year
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Solve.log31 = x
A. {3} B. {9} C. {1} D. {0}
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Use a half-angle formula to find the exact value of the expression.cos 75°
A. - 
B. - 
C. 
D. 
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