Verify that each equation is an identity.
+ 
= -2 csc ?
What will be an ideal response?
+ 
= 
= 
= 
= 
= - 
= - 
? 
= - 
= - 2 csc ?
Mathematics
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Find the interval of convergence of the series.
A. 1 ? x ? 13 B. x < 13 C. 6 ? x ? 8 D. -13 < x < 13
Mathematics
Write a numerical expression for the phrase and simplify it.Five-ninths of the difference between -7 and -25.
A. 
+ [(-7) - (-25)]; 30
B. 5(9) [(-7) - (-25)]; 10
C. 5(9) [(-7) - (-25)]; 810
D. 
[(-7) - (-25)]; 10
Mathematics
Solve the problem.A theater has 24 rows with 25 seats in the first row, 28 in the second row, 31 in the third row, and so forth. How many seats are in the theater?
A. 1428 seats B. 2856 seats C. 2928 seats D. 1464 seats
Mathematics
Multiply as indicated. If possible, simplify any square roots that appear in the product.(4
+ 2)(2
+ 4)
A. 32
B. 16
+ 16
C. 144 + 20
D. 8 + 8
+ 16
Mathematics