Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 165°
A. 2 - 
B. -2 - 
C. -2 + 
D. 2 + 
Answer: C
Mathematics
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Solve.The water in a tank weighs 263.57 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 16,473.125 cu. ft B. 326.07 cu. ft C. 4.21712 cu. ft D. 0.23713 cu. ft
Mathematics
Identify the radicand.2x2y2
A. 
B. 2x2y2
C. 4x - y
D. 
Mathematics
Identify the terms of the polynomial.10n4 - 13n3 - 4n + 22
A. 10n4, -13n3, 4n, 22 B. 10, n4, -13, n3, -4, n, 22 C. 10n4, -13n3, -4n, 22 D. 10n4, 13n3, -4n, 22
Mathematics
Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.15°C
A. 33.4°F B. 40.3°F C. 84.6°F D. 59°F
Mathematics