Evaluate the expression by first changing the form. Verify the answer by use of a calculator. sin 25° cos 95° + cos 25° sin 95°
A. - 
B. - 
C. 
D. 
Answer: C
Mathematics
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Determine whether the sequence converges or diverges, and, if it converges, find 
an.an = 1 + (-1)n + (-1)n(n+1)
A. 3 B. 1 C. 0 D. Diverges
Mathematics
Solve the problem.In a sports league of n teams in which each team plays every other team twice, the total number N of games to be played is given by N = n2 - n. What is the total number of games to be played in a football league having 19 teams?
A. 38 B. 380 C. 342 D. 361
Mathematics
Solve the inequality and draw a number line graph of the solution.5z + 2 > 4z + 3
A. a > 5
B. a < 5
C. a < 1
D. a > 1
Mathematics
Evaluate the integral. 
What will be an ideal response?
Mathematics