Describe the transformation that sends ?ABC to ?A'B'C' in Figure 2. Mark the relevant vectors, points, lines, etc. and give the coordinates for these objects as appropriate.
Rotation 90°. Center of rotation: O with coordinates (0, 0).
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Expand.(-3m + 3n)4
A. 81m4 - 5184m3n - 2916m2n2 - 324mn3 - 81n4 B. 81m4 - 324m3n - 486m2n2 - 324mn3 - 81n4 C. 81m4 - 5184m3n + 2916m2n2 - 324mn3 + 81n4 D. 81m4 - 324m3n + 486m2n2 - 324mn3 + 81n4
Find parametric equations for the line described below.The line through the point P(-5, 2, 3) parallel to the vector 
A. x = -8t + 5, y =6t - 2, z = -3t - 3 B. x = 8t + 5, y = 6t - 2, z = -3t - 3 C. x = -8t - 5, y = 6t + 2, z = -3t + 3 D. x = 8t - 5, y = 6t + 2, z = -3t + 3
Divide.
A. 60 B. -60 C. -7 D. 7
Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.12% of students at a university attended a lecture. If 6000 students are enrolled at the university, about how many students attended the lecture?
A. 72,000 students B. 720 students C. 72 students D. 7200 students