Evaluate the expression without using a calculator, and write your answer in radians.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Solve the equation.7x = 
A. 
B. {8}
C. ?
D. {-8, 8}
Mathematics
Find the indicated quantities for the appropriate geometric sequence.The sum of the first three terms of a geometric sequence equals thirty-one times the first term. Find the common ratio.
A. -6, 5 B. -5, 6 C. -6, -5 D. 5, 6
Mathematics
Use the addition property of inequality to solve the inequality and graph the solution set on a number line.x - 1 ? 6
A. (-?, 7)
B. [7, ?)
C. (-?, 5)
D. (-?, 7]
Mathematics
Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics