Find the exact value by using a half-angle identity.cos 
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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Write the numeral as a Roman numeral.70
A. LXVII B. LXXI C. LXI D. LXX
Mathematics
Write the number in words.299,330,030
A. two hundred ninety-nine million, three hundred thirty thousand, three B. two hundred ninety-nine million, three hundred thirty thousand, three hundred C. two hundred ninety-nine million, thirty-three thousand, thirty D. two hundred ninety-nine million, three hundred thirty thousand, thirty
Mathematics
Multiply.4100 × 18
A. 73,800 B. 73,799 C. 7379 D. 7380
Mathematics
Determine whether the ordered pair is a solution of the given equation.(6, 4)x - y = 2
A. No B. Yes
Mathematics