Solve the problem.Find the value for x in the following special right triangle. Use exact values. 
4 in.
A. 16 in.
B. 2 in.
C. 4
in.
D. 4 in.
Answer: C
Mathematics
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Determine if the fraction is in lowest terms. If not, find a common factor of the numerator and denominator (other than 1).- 
A. no, -11 is a common factor B. no, 11 is a common factor C. no, 990 is a common factor D. yes
Mathematics
Find the exact value of the sum.sin 
+ sin 
A. 
B. 0
C. -1
D. 1
Mathematics
Find the missing quantities. Round rates to the nearest whole percent and money to the nearest cent.
A. Original price = $57.77 $ Markdown = $15.02 B. Original price = $53.87 $ Markdown = $11.12 C. Original price = $31.63 $ Markdown = $11.12 D. Original price = $27.73 $ Markdown = $15.02
Mathematics
Simplify the expression. Assume all variables represent positive real numbers.
A. 245x
B. 7
C. 5x2
D. 7x
Mathematics