Solve the problem. Use 3.14 for ? and round to the nearest tenth.A rubber ice-hockey puck has a diameter of 3.0 inches. What is the area of its surface?
A. 28.3 in.2
B. 9.4 in.2
C. 7.1 in.2
D. 3.5 in.2
Answer: C
Mathematics
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Verify the identity.cos (x - y) - cos (x + y) = 2 sin x sin y
What will be an ideal response?
Mathematics
Express as a difference of logarithms.log8 
A. log8 1 - log8 2 B. log8 1 + log8 2 C. log8 2 - log8 1 D. log4 1 - log4 2
Mathematics
Determine whether the given point lies on the line.(4, 4); y - 12 = -2x
A. Yes B. No
Mathematics
Solve the problem.The distribution of B.A. degrees conferred by a local college is listed below, by major. Major FrequencyEnglish2073Mathematics2164Chemistry318Physics856Liberal Arts1358Business1676Engineering 8689313What is the probability that a randomly selected degree is not in Mathematics?
A. 0.232 B. 0.768 C. 0.682 D. 0.303
Mathematics