Solve the problem that involves probabilities with dependent events. There are 30 chocolates in a box, all identically shaped. There are 5 filled with nuts, 16 with caramel, and 9 are solid chocolate. You randomly select one piece, eat it, and then select a second piece. Find the probability of selecting 2 solid chocolates.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the inverse trig functions to express the angle in terms of the indicated unknown side. 
Express angle A in terms of b. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = cos-1 
B. A = tan-1 
C. A = sin-1 
D. A = sin-1 
Mathematics
Find the median of the set of data.39, 20, 8, 5, 26, 13, 29, 30, 39, 30
A. 24 B. 29 C. 26 D. 27.5
Mathematics
Find the root if it is a real number.
A. 27 B. 81 C. -9 D. 9
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cos (-60°)
A. 
B. - 
C. - 
D. 
Mathematics