What is 30% of $10?
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Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3