Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.a1 = -6, an = 6an - 1 - 9
A. no
B. yes, 6
C. yes, -9
D. yes, 9
Answer: A
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In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer films in a school of 550 students?
A. About 110 students B. About 20 students C. About 99 students D. About 66 students
Find the average.The number of students that have applied to the professional art program in the years 2002, 2003, 2004, 2005, and 2006 are 39, 45, 29, 41, and 26, respectively.
A. 30 B. None C. 36 D. 39
Find the simple interest. Round your answer to the nearest cent.Principal = $72,700Rate = 5%Time in months = 11
A. $333,208.00 B. $330.45 C. $3332.08 D. $39,984.96
Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(4, -3)} B. {(-3, -4)} C. {(3, -4)} D. {(-4, 3)}