Give the exact value of the expression.cos 
A. 
B. 
C. 
D. 
Answer: B
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Which of the following points represents a reflection of the line with end-points: (–5, –3) and (7, –4) about the y-axis? ?
A. (5, 3) and (–7, 4) B. (5, –3) and (–7, 4) C. ???(5, –3) and (–7, –4) D. ??(–5, 3) and (–7, –4) E. None of the above.
It is never possible to solve a system of three equations in three unknowns.
Answer the following statement true (T) or false (F)
Factor the polynomial.15x4 + 19x2 + 6
A. (5x2 - 3)(3x2 - 2) B. (3x2 + 1)(5x2 + 6) C. (15x2 + 2)(x2 + 3) D. (3x2 + 2)(5x2 + 3)
Solve.As Sunee improves her algebra skills, she takes 0.9 times as long to complete each homework assignment as she took to complete the preceeding assignment. If it took her 70 minutes to complete her first assignment, find how long it took her to complete the fifth assignment. Find the total time she took to complete her first five homework assignments. (Round to the nearest minute.)
A. 46 min; 287 min B. 41 min; 241 min C. 41 min; 287 min D. 46 min; 241 min