Find the exact value by using a half-angle identity.tan 
A. -1 + 
B. 1 + 
C. -1 - 
D. 1 - 
Answer: D
Mathematics
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Find the probability.Based on meteorological records, the probability that it will snow in a certain town on January 1st is 0.300. Find the probability that in a given year it will not snow on January 1st in that town.
A. 3.333 B. 0.429 C. 0.7 D. 1.300
Mathematics
Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = 
A. f(x) = 
, g(x) = x2 - 8
B. f(x) = 
, g(x) = x - 8
C. f(x) = 
, g(x) = x2 - 8
D. f(x) = 
, g(x) = - 
Mathematics
Use the intersection-of-graphs method to approximate the solution to the nearest hundredth.-10?x - 3
= 0.24?x + 
A. {0.15} B. {-0.15} C. {-3.23} D. ?
Mathematics
Find the following. Assume that letters can represent any real number.
A. 
- 9
B. 9 - x
C. x - 9
D. 
Mathematics