The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find cos t.
A. 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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Find the roots of the given equation by inspection.x(3x + 5)(x2 - 64)
A. -8, - 
, 0, 8
B. -8, - 
, 8
C. - 
, 0, 8
D. -8, 0, 8
Mathematics
Find the minimum-cost spanning tree for the graph.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Sales of frozen pizza for a club fund-raiser increased from 500 one year to 530 the next year. What was the percent of increase?
A. 94.3% B. 94% C. 6% D. 5.7%
Mathematics
Factor completely.k2(k - 3) - 5(k - 3)
A. (k - 5)(k2 - 3) B. (k - 3)(k2 + 5) C. -5k2(k - 3) D. (k - 3)(k2 - 5)
Mathematics