Perform the indicated operations. Write the resulting polynomial in standard form.(x - 12)(x2 + 4x - 9)
A. x3 + 16x2 + 39x - 108
B. x3 - 8x2 - 39x - 108
C. x3 - 8x2 - 57x + 108
D. x3 + 16x2 + 57x + 108
Answer: C
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Solve.Find the points of intersection of the ellipse 81x2 + 49y2 = 3969 and the line 7y - 9x = 63.
A. (0, 9), (-7,0) B. (0, 7), (0, -9) C. (0, -7), (9, 0) D. (0, -9), (7, 0)
Solve the problem.In a school survey, students showed these preferences for instructional materials. 
About how many students would you expect to prefer computers in a school of 700 students?
A. About 126 students B. About 36 students C. About 252 students D. About 140 students
Solve for the variable.x - 
= 
A. 1
B. 
C. 
D. 
Given two parallel lines, suppose that the bisectors of two interior angles on the same side of a transversal are drawn to meet at a point. Find the measure of the angle formed by the angle-bisectors.
What will be an ideal response?