Find the median for each data set.8.7 hr, 6.7 hr, 2.9 hr, 6.9 hr
A. 6.7 hr
B. 2.9 hr
C. 6.8 hr
D. 6.9 hr
Answer: C
Mathematics
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Choose the polar equation that matches the graph.
A. r = sin 2? + sin2 3? B. r = cos 2? + cos2 3? C. r = sin 3? + sin2 2? D. r = cos 3? + cos2 2?
Mathematics
Factor completely.-75x2 - 240x - 192
A. -3(5x + 8)2 B. -3(5x + 8)(5x - 8) C. 3(5x - 8)2 D. -3(5x - 8)2
Mathematics
Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 + 
x
A. x2 + 
x + 
= 
2
B. x2 + 
x + 
= 
2
C. x2 + 
x + 
= 
2
D. x2 + 
x + 
= 
2
Mathematics
Solve.A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 
B. 8
C. 
D. 
Mathematics