Use the given information to find the exact value of the trigonometric function.sec ? = 4, ? lies in quadrant I
Find cos 
.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use counting to determine the whole number that corresponds to the cardinality of the set.A = {x?x is a second in a minute}
A. n(A) = 120 B. n(A) = 30 C. n(A) = 60 D. Infinite
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.643.9951
A. 64
B. 643
C. 6439
D. 64399
Mathematics
Find an equation for the circle with the given center C and radius r.Center (0, 0), radius 9
A. x2 + y2 = 9 B. x2 + y2 = 18 C. x2 - y2 = 9 D. x2 + y2 = 81
Mathematics
Write the prime factorization for the number 300. ?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics