For a regular pentagon, find the measure of each central angle.
What will be an ideal response?
72°
Mathematics
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Determine the sign of the trigonometric function.cos 345°
A. Negative B. Positive
Mathematics
Factor the binomial completely. If it is prime, say so.4s2 - 49t4
A. (2s + 7t2)2 B. (2s - 7t2)2 C. (2s + 7t2)(2s - 7t2) D. Prime
Mathematics
Evaluate the following improper integral whenever it is convergent.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the product and simplify.5
? 
A. 60
B. 12
C. 17
D. 5
Mathematics